Summary You Asked for it...Or the voices in my head did... either way a new and improved retraction test for you, this time with rectangles! Like the previous model there's very little reason to download this over the myriad of other retraction tests, but there's now an extra tower spaced 30mm apart. All this, and the far superior rounded base to boot! Old Version: (https://www.thingiverse.com/thing:2856952) Print Settings Printer Brand: Wanhao Printer: Wanhao Duplicator i3 Plus Rafts: No Supports: No Resolution: .2