Go from browser to print bed without touching a desktop app. Parametric dimensions give you exact control over tolerances and fits — then export a clean STL in one click.
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The #1 reason 3D printed parts don't fit together: imprecise dimensions. FDM printers add 0.1–0.3 mm per wall. If your clearance hole is "about 3 mm" instead of exactly 3.3 mm, your bolt won't fit.
BasicCAD's sketch solver produces exact geometry. Design a 3.3 mm clearance hole for an M3 bolt and get exactly 3.3 mm. When the first print doesn't fit, change the dimension by 0.1 mm and re-export — the entire model rebuilds in under a second. No starting over, no visual guesswork.
Hollow a solid with precise wall thickness in one operation. Control exactly how much material you use — don't leave it up to slicer infill.
Round sharp edges with a precise radius. Stronger parts (less stress concentration) and better print quality (less ringing at corners).
Export any solid directly from the ribbon. Drop straight into PrusaSlicer, Cura, Bambu Studio, or any slicer.
Real 3D printing design isn't "design once, print once." It's a loop: print, measure, adjust, reprint. The speed of that loop defines how fast you get to a working part.
In visual tools like TinkerCAD, "adjust" means rebuilding geometry by hand. In BasicCAD, it means changing a number in a dimension field. Seconds vs minutes, per iteration, compounding over every test print.
1-month free trial. Sketch, extrude, shell, fillet, export STL — all in your browser. No download.
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