Print3D · Design Tip #3
Tolerances & the Reality of Molten Plastic
Holes print undersize
CAD: Ø6.0
Printed: Ø5.8
Drilled: Ø6.0 ✓
Z is quantized
want 5.1 mm
prints 5.0 or 5.2 — never 5.1
Print a fit gauge
+0.2 fits — use that offset ✓
One coupon beats three full-size revisions
Farm accuracy ±0.2 mm · finer layers = more hours = higher cost — spend precision only where the drawing demands it
PRINT3D · RYLEX INDUSTRIES
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