Turn sketches into CAD
Which CAD Files Should You Send a Manufacturer?
Prepare a manufacturer handoff with editable CAD, neutral geometry, drawings, units, revisions, and clear file precedence.
5 min readTurn sketches into CAD
Practical guides for independent inventors. Start with the question closest to your next decision.
Turn sketches into CAD
How to Calculate a Simple Tolerance Stack Before Parts Jam
Use minimum and maximum dimensions to check a simple fit, identify the dominant tolerance, and avoid tightening every feature.
4 min read
Turn sketches into CAD
Simple CAD Revision Control for a One-Person Product Project
Prevent suppliers from building obsolete parts with a simple release folder, change log, file manifest, and affected-test review.
5 min read
Turn sketches into CAD
What Belongs on a Manufacturing Drawing for a Simple Invention Part?
Create a drawing that communicates function, critical dimensions, material, finish, revision, and inspection without redundant callouts.
5 min read
Turn sketches into CAD
Why Parts Fit in CAD but Not in Your Prototype
Diagnose assembly failures by separating nominal geometry, variation, print distortion, finish, fastener access, and hidden hand fitting.
5 min readPrepared by Inventor Underground. Examples are illustrative unless a source says otherwise. How these guides are prepared ยท Send a correction