diff --git a/.github/workflows/copilot_build_artifact.yml b/.github/workflows/copilot_build_artifact.yml
new file mode 100644
index 0000000000..70f249e69d
--- /dev/null
+++ b/.github/workflows/copilot_build_artifact.yml
@@ -0,0 +1,208 @@
+name: Copilot Build Artifact (Ubuntu)
+
+# Build deps + slicer once on a hosted runner and upload the products as
+# Actions artifacts so that subsequent Copilot agent sessions (which start
+# from a clean disk) can `gh run download` them instead of rebuilding.
+#
+# See plan in PR thread: deps ~50 min + slicer ~30-40 min, well under the
+# 6 h job limit.
+
+on:
+  workflow_dispatch:
+  push:
+    branches:
+      - 'copilot/**'
+
+concurrency:
+  group: copilot-build-artifact-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  build:
+    name: Build deps + slicer (ubuntu-22.04)
+    runs-on: ubuntu-22.04
+    timeout-minutes: 330  # 5h30, under the 6h hard limit
+    env:
+      DEPS_TARBALL: BambuStudio_deps_ubuntu-22.04.tar.gz
+      SLICER_TARBALL: BambuStudio_slicer_ubuntu-22.04.tar.gz
+      INPUTS_TARBALL: slice-inputs.tar.gz
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          lfs: 'true'
+
+      - name: Free disk space
+        run: |
+          df -h
+          sudo rm -rf /usr/share/dotnet /usr/local/lib/android /opt/ghc /opt/hostedtoolcache/CodeQL || true
+          sudo docker image prune --all --force || true
+          df -h
+
+      # ---------------------------------------------------------------
+      # Deps: cache the built destdir keyed on inputs that affect it.
+      # Restore-key falls back to the latest deps build on this OS so
+      # incremental work on src/** does not re-pay the 50-minute cost.
+      # ---------------------------------------------------------------
+      # NOTE on the cache key: we deliberately hash only the small,
+      # static set of files that describe what gets built (the per-dep
+      # *.cmake recipes, the top-level CMakeLists, BuildLinux.sh, and the
+      # apt manifest). An earlier version used `deps/**` which timed out
+      # the post-step `hashFiles` (>120 s) because the cache save runs
+      # AFTER the build has populated `deps/build/destdir/` with
+      # hundreds of thousands of files.
+      - name: Cache deps destdir
+        id: deps-cache
+        uses: actions/cache@v4
+        with:
+          path: deps/build/destdir
+          key: bambu-deps-ubuntu-22.04-${{ hashFiles('deps/**/*.cmake', 'deps/CMakeLists.txt', 'BuildLinux.sh', 'linux.d/**') }}
+          restore-keys: |
+            bambu-deps-ubuntu-22.04-
+
+      - name: Install build tools (system update)
+        run: sudo ./BuildLinux.sh -ur
+
+      - name: Build deps (skipped on cache hit)
+        if: steps.deps-cache.outputs.cache-hit != 'true'
+        run: |
+          sudo chown -R "$USER" .
+          ./BuildLinux.sh -dr
+
+      - name: Build BambuStudio slicer
+        run: |
+          sudo chown -R "$USER" .
+          ./BuildLinux.sh -sr
+
+      # ---------------------------------------------------------------
+      # Package artifacts
+      # ---------------------------------------------------------------
+      - name: Package deps tarball
+        run: |
+          cd deps/build
+          tar -czf "${GITHUB_WORKSPACE}/${DEPS_TARBALL}" destdir
+          ls -lh "${GITHUB_WORKSPACE}/${DEPS_TARBALL}"
+
+      - name: Package slicer tarball
+        run: |
+          # The CLI binary needs the `resources/` tree alongside it.
+          # Match the upstream package_resources.sh layout: bin + resources
+          # rooted at a single top-level dir.
+          STAGE="$(mktemp -d)/BambuStudio"
+          mkdir -p "${STAGE}/bin"
+          # Binary name can be either bambu-studio or BambuStudio depending
+          # on cmake target naming; copy whichever exists.
+          for bin in build/src/bambu-studio build/src/BambuStudio; do
+            if [ -f "${bin}" ]; then cp "${bin}" "${STAGE}/bin/"; fi
+          done
+          # resources/ at repo root is what the runtime expects to find
+          # next to the binary (see slic3r/Utils/resources_dir()).
+          cp -a resources "${STAGE}/resources"
+          tar -C "$(dirname "${STAGE}")" -czf "${GITHUB_WORKSPACE}/${SLICER_TARBALL}" BambuStudio
+          ls -lh "${GITHUB_WORKSPACE}/${SLICER_TARBALL}"
+
+      # ---------------------------------------------------------------
+      # Inputs bundle: collect the 3MFs and resolved profile JSONs the
+      # next agent session needs to drive the CLI, so it does not have
+      # to go hunting through other repos.
+      # ---------------------------------------------------------------
+      - name: Package slice inputs bundle
+        env:
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: |
+          set -e
+          STAGE="$(mktemp -d)/slice-inputs"
+          mkdir -p "${STAGE}/3mf" "${STAGE}/profiles/machine" "${STAGE}/profiles/process" "${STAGE}/profiles/filament"
+
+          # Copy the resolved H2D profile JSONs out of the repo.
+          cp "resources/profiles/BBL/machine/Bambu Lab H2D 0.4 nozzle.json"               "${STAGE}/profiles/machine/" || true
+          cp "resources/profiles/BBL/process/0.20mm Standard @BBL H2D.json"               "${STAGE}/profiles/process/" || true
+          cp "resources/profiles/BBL/filament/Bambu PLA Basic @BBL H2D.json"              "${STAGE}/profiles/filament/" || true
+          cp "resources/profiles/BBL/filament/Bambu TPU 85A @BBL H2D 0.4 nozzle.json"     "${STAGE}/profiles/filament/" || true
+
+          # Fetch the two failing 3MFs from the sibling repo. Use the
+          # GITHUB_TOKEN; if that lacks cross-repo read, the step keeps
+          # going so the rest of the artifact is still useful.
+          fetch() {
+            local dst="$1" repo="$2" ref="$3" path="$4"
+            echo "Fetching ${repo}@${ref}:${path}"
+            if ! gh api -H "Accept: application/vnd.github.raw" \
+                "/repos/${repo}/contents/${path}?ref=${ref}" \
+                > "${dst}"; then
+              echo "WARN: could not fetch ${repo}:${path}; continuing" >&2
+              rm -f "${dst}"
+            fi
+          }
+          fetch "${STAGE}/3mf/t3-prism.H2D-MM-PLAstruts-TPUcables.single.3mf" \
+                vertical-cloud-lab/tensegrity-optimization 65d0d3f \
+                cad/t3-prism/slices/t3-prism.H2D-MM-PLAstruts-TPUcables.3mf
+          # The batch 3MF lives on PR #35's head ref; resolve it lazily.
+          # Note: tensegrity-optimization is public, so GITHUB_TOKEN can read
+          # it cross-repo (same as the single-specimen fetch above).
+          if pr_head=$(gh api /repos/vertical-cloud-lab/tensegrity-optimization/pulls/35 --jq .head.sha); then
+            echo "PR #35 head: ${pr_head}"
+            # Match either token ordering: the actual filename in the tree is
+            # bo/slices/t3-prism-bo-batch.H2D-MM-PLAstruts-TPUcables.3mf
+            # (i.e. "batch" appears BEFORE "H2D-MM-PLAstruts-TPUcables").
+            batch_path=$(gh api "/repos/vertical-cloud-lab/tensegrity-optimization/git/trees/${pr_head}?recursive=1" \
+                          --jq '.tree[] | select(.path|test("batch.*H2D-MM-PLAstruts-TPUcables.*\\.3mf$") or test("H2D-MM-PLAstruts-TPUcables.*batch.*\\.3mf$")) | .path' \
+                          | head -n1)
+            echo "Resolved batch path: ${batch_path:-<none>}"
+            if [ -n "${batch_path}" ]; then
+              fetch "${STAGE}/3mf/t3-prism.H2D-MM-PLAstruts-TPUcables.batch.3mf" \
+                    vertical-cloud-lab/tensegrity-optimization "${pr_head}" "${batch_path}"
+            else
+              echo "WARN: no batch 3MF matched the regex in PR #35 tree" >&2
+            fi
+          else
+            echo "WARN: could not resolve PR #35 head sha" >&2
+          fi
+
+          # README so the next session knows what's what.
+          cat > "${STAGE}/README.md" <<'EOF'
+          slice-inputs bundle
+          ===================
+          3mf/                  failing inputs from tensegrity-optimization
+          profiles/machine/     Bambu Lab H2D 0.4 nozzle.json
+          profiles/process/     0.20mm Standard @BBL H2D.json
+          profiles/filament/    Bambu PLA Basic @BBL H2D.json
+                                Bambu TPU 85A @BBL H2D 0.4 nozzle.json
+
+          Drive the CLI with:
+            bambu-studio --slice 0 \
+              --load-settings "machine.json;process.json" \
+              --load-filaments "PLA.json;TPU.json" \
+              --filament-map-mode manual --filament-map 1 2 \
+              --outputdir out  3mf/<input>.3mf
+          EOF
+
+          tar -C "$(dirname "${STAGE}")" -czf "${GITHUB_WORKSPACE}/${INPUTS_TARBALL}" slice-inputs
+          ls -lh "${GITHUB_WORKSPACE}/${INPUTS_TARBALL}"
+
+      # ---------------------------------------------------------------
+      # Uploads
+      # ---------------------------------------------------------------
+      - name: Upload deps artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: bambu-studio-deps-ubuntu-22.04-${{ github.sha }}
+          path: ${{ env.DEPS_TARBALL }}
+          retention-days: 14
+          if-no-files-found: error
+
+      - name: Upload slicer artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: bambu-studio-bin-ubuntu-22.04
+          path: ${{ env.SLICER_TARBALL }}
+          retention-days: 14
+          if-no-files-found: error
+
+      - name: Upload slice-inputs artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: slice-inputs
+          path: ${{ env.INPUTS_TARBALL }}
+          retention-days: 14
+          if-no-files-found: warn
diff --git a/docs/pr_artifacts/README.md b/docs/pr_artifacts/README.md
new file mode 100644
index 0000000000..faaace4046
--- /dev/null
+++ b/docs/pr_artifacts/README.md
@@ -0,0 +1,50 @@
+# PR artifacts: G-code visualizations for vertical-cloud-lab/BambuStudio PR `copilot/fix-slicing-issue-cli-h2d`
+
+These PNGs and the accompanying `render_gcode.py` script demonstrate the patched
+CLI successfully slicing the failing H2D PLA+TPU 3MFs from
+`vertical-cloud-lab/tensegrity-optimization` PR #35.
+
+Rendered with the BambuStudio CLI built by
+`.github/workflows/copilot_build_artifact.yml` (run `26338104126`,
+sha `b437953`) on Ubuntu 22.04.
+
+## Files
+
+- `single_specimen.xy.png` / `single_specimen.iso.png` — single specimen
+  (input: `t3-prism.H2D-MM-PLAstruts-TPUcables.single.3mf`, ~46 MB G-code,
+  17,666 PLA segments + 16,018 TPU segments).
+- `t3-prism.H2D-MM-PLAstruts-TPUcables.single.gcode.3mf` — sliced
+  G-code-3MF for the single specimen (importable into Bambu Studio via
+  *File → Import → Import sliced file*). Contains `Metadata/plate_1.gcode`
+  produced by the patched CLI on this branch.
+- `batch.xy.png` / `batch.iso.png` — batch (input:
+  `t3-prism.H2D-MM-PLAstruts-TPUcables.batch.3mf`, ~59 MB G-code, 14,491 PLA
+  segments + 20,906 TPU segments).
+- `render_gcode.py` — standalone matplotlib parser/renderer used to produce
+  the PNGs from `Metadata/plate_1.gcode`. Colors each extrusion segment by the
+  active extruder (`M1020 S0` → T0/PLA green `#00AE42`, `M1020 S1` → T1/TPU
+  light blue `#76D9F4`). Run as:
+  ```
+  python3 render_gcode.py path/to/plate_1.gcode out_prefix
+  ```
+
+## How the slices were obtained
+
+Tweaks vs. the raw 3MFs from PR #35 needed because of pre-existing H2D Pro vs.
+H2D differences in the bundled profiles (unrelated to the OOB fix in this PR):
+
+1. Per-extruder `nozzle_volume_type` patched to `["Standard","TPU High Flow"]`
+   (TPU needs the High-Flow nozzle variant on extruder 2).
+2. `flush_volumes_matrix` / `flush_volumes_vector` resized from the 4-filament
+   (16/8) source to 2-filament (4/4).
+3. Machine override: `--load-settings "Bambu Lab H2D Pro 0.4 nozzle.json"`
+   (the 3MFs were authored against the H2D Pro variant — see
+   `upward_compatible_machine` in their `result.json`).
+4. Batch only: `--no-check` to bypass an unrelated wipe-tower / specimen
+   gcode-path conflict.
+
+The OOB fix in this PR was exercised cleanly: the validator no longer crashes
+or logs the bogus `extruder 21842` and runs to completion for the happy path,
+and now emits the new clean `CLI_INVALID_PARAMS` error when invoked with a
+mismatched `--filament-map` size (e.g. `--load-filaments` with 2 filaments and
+`--filament-map "1"`).
diff --git a/docs/pr_artifacts/batch.iso.png b/docs/pr_artifacts/batch.iso.png
new file mode 100644
index 0000000000..36c4ee1a1c
Binary files /dev/null and b/docs/pr_artifacts/batch.iso.png differ
diff --git a/docs/pr_artifacts/batch.xy.png b/docs/pr_artifacts/batch.xy.png
new file mode 100644
index 0000000000..5f1577e001
Binary files /dev/null and b/docs/pr_artifacts/batch.xy.png differ
diff --git a/docs/pr_artifacts/render_gcode.py b/docs/pr_artifacts/render_gcode.py
new file mode 100644
index 0000000000..c4aefd43e6
--- /dev/null
+++ b/docs/pr_artifacts/render_gcode.py
@@ -0,0 +1,107 @@
+#!/usr/bin/env python3
+"""Render extrusion moves of a multi-extruder BambuStudio gcode with matplotlib.
+
+Colors per active extruder/tool. H2D uses M1020 S{0,1} to switch extruders.
+"""
+import argparse, re, sys
+from pathlib import Path
+import numpy as np
+import matplotlib
+matplotlib.use("Agg")
+import matplotlib.pyplot as plt
+from mpl_toolkits.mplot3d.art3d import Line3DCollection
+from matplotlib.collections import LineCollection
+
+# Bambu's published filament colors (PLA Basic green / TPU 85A light-blue)
+COLORS = {0: "#00AE42", 1: "#76D9F4"}
+LABELS = {0: "T0 PLA", 1: "T1 TPU"}
+
+RE_M1020 = re.compile(r"^M1020\s+S(\d+)")
+RE_G = re.compile(r"^G[01]\b")
+RE_NUM = lambda c: re.compile(r"\b" + c + r"(-?\d+(?:\.\d+)?)")
+RX = RE_NUM("X"); RY = RE_NUM("Y"); RZ = RE_NUM("Z"); RE = RE_NUM("E")
+
+def parse(path):
+    """Yield (tool, x0, y0, z0, x1, y1, z1) extrusion segments."""
+    x = y = z = 0.0
+    e_abs = 0.0
+    abs_e = True  # M82 absolute / M83 relative
+    tool = 0
+    segs = {0: [], 1: []}
+    with open(path) as f:
+        for line in f:
+            s = line.lstrip()
+            if not s or s.startswith(";"):
+                continue
+            m = RE_M1020.match(s)
+            if m:
+                tool = int(m.group(1))
+                continue
+            if s.startswith("M82"): abs_e = True; continue
+            if s.startswith("M83"): abs_e = False; continue
+            if not RE_G.match(s):
+                continue
+            mx = RX.search(s); my = RY.search(s); mz = RZ.search(s); me = RE.search(s)
+            nx = float(mx.group(1)) if mx else x
+            ny = float(my.group(1)) if my else y
+            nz = float(mz.group(1)) if mz else z
+            extruding = False
+            if me:
+                ev = float(me.group(1))
+                de = (ev - e_abs) if abs_e else ev
+                if de > 1e-6:
+                    extruding = True
+                if abs_e: e_abs = ev
+            if extruding and (nx, ny) != (x, y):
+                segs[tool].append(((x, y, z), (nx, ny, nz)))
+            x, y, z = nx, ny, nz
+    return segs
+
+def render(segs, out_prefix):
+    # 2D top-down
+    fig, ax = plt.subplots(figsize=(8, 7), dpi=140)
+    for tool in (0, 1):
+        ss = segs[tool]
+        if not ss: continue
+        lc = LineCollection([((a[0], a[1]), (b[0], b[1])) for a, b in ss],
+                            colors=COLORS[tool], linewidths=0.25, alpha=0.85,
+                            label=f"{LABELS[tool]} ({len(ss):,} moves)")
+        ax.add_collection(lc)
+    ax.set_aspect("equal"); ax.autoscale_view()
+    ax.set_xlabel("X (mm)"); ax.set_ylabel("Y (mm)")
+    ax.set_title(f"Top-down (XY) — {out_prefix.name}")
+    ax.legend(loc="upper right", framealpha=0.9, fontsize=9)
+    ax.grid(alpha=0.2)
+    fig.tight_layout()
+    fig.savefig(f"{out_prefix}.xy.png"); plt.close(fig)
+
+    # 3D iso
+    fig = plt.figure(figsize=(8, 7), dpi=140)
+    ax = fig.add_subplot(111, projection="3d")
+    for tool in (0, 1):
+        ss = segs[tool]
+        if not ss: continue
+        lc = Line3DCollection(ss, colors=COLORS[tool], linewidths=0.15, alpha=0.55,
+                              label=LABELS[tool])
+        ax.add_collection3d(lc)
+    pts = np.array([p for ss in segs.values() for ab in ss for p in ab])
+    ax.set_xlim(pts[:, 0].min(), pts[:, 0].max())
+    ax.set_ylim(pts[:, 1].min(), pts[:, 1].max())
+    ax.set_zlim(pts[:, 2].min(), pts[:, 2].max())
+    ax.set_xlabel("X"); ax.set_ylabel("Y"); ax.set_zlabel("Z (mm)")
+    ax.set_title(f"Iso 3D — {out_prefix.name}")
+    ax.view_init(elev=22, azim=-60)
+    ax.legend(loc="upper right", fontsize=9)
+    fig.tight_layout()
+    fig.savefig(f"{out_prefix}.iso.png"); plt.close(fig)
+
+if __name__ == "__main__":
+    ap = argparse.ArgumentParser()
+    ap.add_argument("gcode")
+    ap.add_argument("out_prefix")
+    a = ap.parse_args()
+    segs = parse(a.gcode)
+    for t in (0, 1):
+        print(f"{LABELS[t]}: {len(segs[t]):,} extrusion segments")
+    render(segs, Path(a.out_prefix))
+    print("wrote", a.out_prefix + ".xy.png", "and", a.out_prefix + ".iso.png")
diff --git a/docs/pr_artifacts/single_specimen.iso.png b/docs/pr_artifacts/single_specimen.iso.png
new file mode 100644
index 0000000000..ef4b127085
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diff --git a/docs/pr_artifacts/single_specimen.xy.png b/docs/pr_artifacts/single_specimen.xy.png
new file mode 100644
index 0000000000..3d395f68b3
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diff --git a/docs/pr_artifacts/t3-prism.H2D-MM-PLAstruts-TPUcables.single.gcode.3mf b/docs/pr_artifacts/t3-prism.H2D-MM-PLAstruts-TPUcables.single.gcode.3mf
new file mode 100644
index 0000000000..a27e86ad52
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diff --git a/src/BambuStudio.cpp b/src/BambuStudio.cpp
index 6c66134a9d..0ab5ebd63e 100644
--- a/src/BambuStudio.cpp
+++ b/src/BambuStudio.cpp
@@ -6772,25 +6772,55 @@ int CLI::run(int argc, char **argv)
                                         }
                                     }
 
-                                    for (int f_index = 0; f_index < plate_filaments.size(); f_index++) {
-                                        for (int f_index = 0; f_index < plate_filaments.size(); f_index++) {
-                                            if (plate_filaments[f_index] <= filament_count) {
-                                                int filament_extruder = filament_maps[plate_filaments[f_index] - 1];
-                                                std::string filament_type;
-                                                m_print_config.get_filament_type(filament_type, plate_filaments[f_index] - 1);
-                                                auto *filament_printable_status = dynamic_cast<const ConfigOptionInts *>(m_print_config.option("filament_printable"));
-                                                if (filament_printable_status && (filament_printable_status->values.size() >= plate_filaments[f_index])) {
-                                                    int status = filament_printable_status->values.at(plate_filaments[f_index] - 1);
-                                                    if (!(status >> (filament_extruder - 1) & 1)) {
-                                                        BOOST_LOG_TRIVIAL(error)
-                                                            << boost::format(
-                                                                   "plate %1% : filament %2% can not be printed on extruder %3%, under manual mode for multi extruder printer") %
-                                                                   (index + 1) % filament_type % filament_extruder;
-                                                        record_exit_reson(outfile_dir, CLI_FILAMENTS_NOT_SUPPORTED_BY_EXTRUDER, index + 1,
-                                                                          cli_errors[CLI_FILAMENTS_NOT_SUPPORTED_BY_EXTRUDER], sliced_info);
-                                                        flush_and_exit(CLI_FILAMENTS_NOT_SUPPORTED_BY_EXTRUDER);
-                                                    }
-                                                }
+                                    // Validate per-filament printability under manual multi-extruder mode.
+                                    // After --load-filaments shrinks the active filament set, ModelVolume "extruder"
+                                    // configs loaded from the source 3MF may still reference original (higher) slot
+                                    // numbers. Guard every index into filament_maps and filament_printable to avoid
+                                    // out-of-bounds reads (which previously surfaced as a bogus extruder id, e.g.
+                                    // "filament TPU can not be printed on extruder 21842") and avoid undefined
+                                    // behaviour from shifting by >= width of int when a stale filament_extruder is
+                                    // out of range. See related upstream reports: bambulab/BambuStudio#10408, #9963,
+                                    // #10402, and vertical-cloud-lab/tensegrity-optimization#64.
+                                    for (int f_index = 0; f_index < (int)plate_filaments.size(); f_index++) {
+                                        const int fid = plate_filaments[f_index];
+                                        if (fid < 1 || fid > filament_count)
+                                            continue;
+                                        if ((size_t)fid > filament_maps.size()) {
+                                            BOOST_LOG_TRIVIAL(error) << boost::format(
+                                                "plate %1% : filament slot %2% is not present in filament_map "
+                                                "(size %3%); per-part extruder map was not rebuilt after "
+                                                "--load-filaments. Pass --filament-map with %4% entries or "
+                                                "re-author the input 3MF so every per-volume \"extruder\" is "
+                                                "within 1..%4%.")
+                                                % (index + 1) % fid % filament_maps.size() % filament_count;
+                                            record_exit_reson(outfile_dir, CLI_INVALID_PARAMS, index + 1,
+                                                              cli_errors[CLI_INVALID_PARAMS], sliced_info);
+                                            flush_and_exit(CLI_INVALID_PARAMS);
+                                        }
+                                        const int filament_extruder = filament_maps[fid - 1];
+                                        if (filament_extruder < 1 || filament_extruder > new_extruder_count) {
+                                            BOOST_LOG_TRIVIAL(error) << boost::format(
+                                                "plate %1% : filament %2% has invalid extruder id %3% "
+                                                "(expected 1..%4%); per-part extruder assignment was not "
+                                                "remapped after --load-filaments.")
+                                                % (index + 1) % fid % filament_extruder % new_extruder_count;
+                                            record_exit_reson(outfile_dir, CLI_INVALID_PARAMS, index + 1,
+                                                              cli_errors[CLI_INVALID_PARAMS], sliced_info);
+                                            flush_and_exit(CLI_INVALID_PARAMS);
+                                        }
+                                        std::string filament_type;
+                                        m_print_config.get_filament_type(filament_type, fid - 1);
+                                        auto *filament_printable_status = dynamic_cast<const ConfigOptionInts *>(m_print_config.option("filament_printable"));
+                                        if (filament_printable_status && (filament_printable_status->values.size() >= (size_t)fid)) {
+                                            const int status = filament_printable_status->values.at(fid - 1);
+                                            if (!(status >> (filament_extruder - 1) & 1)) {
+                                                BOOST_LOG_TRIVIAL(error)
+                                                    << boost::format(
+                                                           "plate %1% : filament %2% can not be printed on extruder %3%, under manual mode for multi extruder printer") %
+                                                           (index + 1) % filament_type % filament_extruder;
+                                                record_exit_reson(outfile_dir, CLI_FILAMENTS_NOT_SUPPORTED_BY_EXTRUDER, index + 1,
+                                                                  cli_errors[CLI_FILAMENTS_NOT_SUPPORTED_BY_EXTRUDER], sliced_info);
+                                                flush_and_exit(CLI_FILAMENTS_NOT_SUPPORTED_BY_EXTRUDER);
                                             }
                                         }
                                     }