[OpenSCAD] Please explain error I made on torus

MichaelAtOz oz.at.michael at gmail.com
Sun Jun 12 01:18:10 EDT 2016


John Tucker wrote
> Got the print back today and torus is exactly 2X too big. 
> The cross section diameter on the print is 4mm Dia., the OD of the ring
> =28mm 
> and the ID=20mm and that makes no sense to me.
> TIA for explanation.

My best guess is inches v's mm and a badly calibrated printer(?)

ID from OpenSCAD 8mm x 2.54 (inch) = 20.32
OD  "           "         12mm  "                 = 30.48 (~28mm?)
Cross section d "     2mm  "                 = 5.08 (~4mm?)






-----
Admin - PM me if you need anything, or if I've done something stupid...

Unless specifically shown otherwise above, my contribution is in the Public Domain; to the extent possible under law, I have waived all copyright and related or neighbouring rights to this work. Obviously inclusion of works of previous authors is not included in the above.

The TPP is no simple “trade agreement.”   Fight it! http://www.ourfairdeal.org/   time is running out!
--
View this message in context: http://forum.openscad.org/Please-explain-error-I-made-on-torus-tp17651p17652.html
Sent from the OpenSCAD mailing list archive at Nabble.com.




More information about the Discuss mailing list