Just make sure you don't limit 'material' handling for future multi-material/colour production. Sounds like additional id's can be used tho, so probably OK? It would also be really good to be able to drag (with a modifier key or maybe middle button) a discrete object and have the translate() modified. Maybe rotate too?? But that is maybe to trad-CAD... ----- 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/Interacting-with-the-mouse-with-an-OpenSCAD-model-tp12176p12193.html Sent from the OpenSCAD mailing list archive at Nabble.com.