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stl2rsdocx v1.05

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@Gumboot13 Gumboot13 released this 21 Jun 22:20
stl2rsdocx-v1-05
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Free Explorer won't import STL/3MF/OBJ — that's locked to paid Creator. But once a mesh is inside DSM as a native .rsdocx, free Explorer opens it, and its Convert to Solid command turns it into a real editable solid. This tool supplies the missing piece: it writes the .rsdocx so you skip the paywall. Convert → open → right-click → Convert to Solid → edit. All free.
Download: grab stl2rsdocx_gui.exe below, double-click, done. Windows only; nothing is installed.

⚠️ First run: Windows SmartScreen may flag it as from an unknown publisher — click More info → Run anyway. Normal for unsigned tools.

The free workflow

Convert your .stl / .3mf / .obj to .rsdocx (leave Smooth seams off).
Open it in free DesignSpark Mechanical Explorer.
Right-click the mesh in the tree → Convert to Solid → Merge faces.
Editable solid — push/pull, cut, combine, save.

Supported formats

STL / 3MF / OBJ / DAE → .rsdocx mesh → Convert to Solid → editable
STEP → exact editable face curves (Fill / Revolve), plus a tessellated mesh for Convert to Solid
DXF / SVG → 2D profile curves → Fill → Pull to thickness
IGES or 3DS? Re-export as STEP / OBJ — the tool will tell you so.

New since the last release

SVG support (logos, outlines, laser-cut shapes → extrude)
DAE (COLLADA) mesh support
STEP rebuilt: exact face geometry (fixed a tessellation bug) + tessellated mesh option
Auto-scale parts saved in metres, auto-recenter offset parts — no more invisible or tiny imports
Smarter auto-weld — fixes 3MF triangle artifacts and sub-millimetre parts
Analyze button — pre-flight check: how cleanly a part will rebuild, before you convert
Build badge in the title bar — tells you if STEP→mesh is enabled (full build) or curves-only (lite)
Drag-and-drop, batch convert, hover tooltips on every option

Good to know

Convert to Solid builds a faceted solid (editable, but a round hole is a many-sided polygon — no parametric "change this diameter"). That's a limit of meshes, not the tool. Want true curves? Use STEP, or Fusion/Blender.
Leave Smooth seams off for Convert to Solid — it strips the topology that needs. It's only for a cleaner view.
Dense meshes are slow to solidify — use the Reduce slider first.
STEP→mesh needs the full build. The lite build still does STEP as exact curves; the title bar tells you which build you have.

See the README for the full how-to. Not affiliated with RS Group / DesignSpark.

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