STEP / SLDASM Assembly Defeature & File Size Optimizer
Calculate 3D STEP/IGES file size reduction ratios by stripping internal fasteners, cosmetic threads, small fillets, and hidden sub-assemblies.
DWG FastView — Online DWG/DXF Viewer
Need to open, measure or mark up a DWG without installing CAD? DWG FastView runs in the browser. This is a sponsored placement and has no effect on the results of the tool above.
Engineering Design & Spec Verification Workbench
Parametric calculation, standard equations, and code compliance validation for STEP / SLDASM Assembly Defeature & File Size Optimizer.
Parametric Design Inputs
Size_defeatured = S_orig · (1 − 0.78 · η_defeature) • Size_archive = Size_defeatured · (Mode ≥ 2 ? 0.22 : 1.0)
Projected STEP File Footprint After Removing Internal Hardware, Threads & Small Fillets
Target Your Exact CAD / 3D File Format for Maximum Size Reduction
DWG Bloat & RegApp Reducer
Purge orphaned DGN linetypes, RegApps & scale lists (Up to 85% smaller).
STEP Assembly Defeature Calc
Strip internal fasteners, threads & fillets for email-ready 3D STEP files.
3D Print Mesh Decimator
Calculate polygon reduction & ASCII-to-Binary STL savings (80% smaller).
BIM IFC & IFCZIP Optimizer
Tune LoD facet tessellation & IFCZIP compression for large BIM models.
Next Steps in Your Mechanical Workflow
Handpicked calculators, parsers, and shortcuts for sheet metal, modeling & fabrication
2026 CAD Workstation Hardware Spec Matrix
Match your CAD/BIM software and assembly size to optimal CPU single-core GHz, RAM & GPU.
K-Factor & Bend Allowance Calc
Calculate sheet metal neutral axis shift, bend deductions, and flat pattern blank sizes per DIN 6935.
Online CAD File Compressor
Reduce large CAD assemblies and mesh file sizes by up to 80% without geometry precision loss.
SolidWorks Shortcuts Cheatsheet
Interactive hotkeys for sketch tools, feature mates, assembly evaluation, and drawing sheets.
STEP File Header & Schema Parser
Parse AP203/AP214/AP242 schemas, authoring CAD kernel origins, and units directly in-browser.
SolidWorks vs Fusion 360
Deep side-by-side comparison of parametric modeling, cloud PDM, CAM, and pricing in 2026.