Tom, As I mentioned in my email, I suspect the webloc is a internet firewall issue. So I emailed the stl's, hope they get thru. Here is the side-by-side of the two halves. I'll email that to. auger_114-5_x_31-5_flat_ends_half_A_&_B.stl <http://forum.openscad.org/file/n11874/auger_114-5_x_31-5_flat_ends_half_A_%26_B.stl> ----- 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. This work is published globally via the internet. :) 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/ -- View this message in context: http://forum.openscad.org/Assistance-modifying-aa-scad-file-tp11837p11874.html Sent from the OpenSCAD mailing list archive at Nabble.com.