File: ER20 Tray.stlName: ER16 - ER20 Collet TrayPLA Material: 221.5 grams ( 0.488 lbs) Infill = 10%Size: 210.69 mm (8.295 ") x 136.52 mm ( 5.375") x 25.4 mm (1.000")Resolution: 0.20mmLayers: 133 layers Rafts: Yes Supports: NoPrint Time: 19 hr 35 minFunction: If printed 1:1, this will produce a tray that will hold up to 32 ER16 or ER20 collets and up to 3 spanner tools. Originally designed as a wooden CNC part, that was made from a 2"x8" piece of lumber that would perfectly fit in a small Flat Rate Priority Mail box. This version is shorter and the collet holds are smooth, not stair-stepped.Tags: ER16, ER20, Collet, Chuck, Tray, Spanner, CNC, Machining