Copernicus School Classroom Office 3D Printer Cart - Base Model Accommodates 3D printers with a footprint of up to 24"D x 26 1/2" W. 4 Open Tubs 1 Really Big Tub. 4" casters, 2 locking with pinch point covers 6 outlet power strip. Adjustable spool holder (holds maximum of 4 spools) Really Big Tub Measures 6"(15cm) D x 25"(64cm) L x 13 1/2"(34cm) W Open Tubs Measure 12 9/16"(32cm) L x 15 5/8"(40cm) W x 6"(15cm) D (outer measurements)