The part is printed with the following settings: - filament with PLA; 2,85 mm diameter - nozzle with 0,4 mm diameter - layer thickness of 0,12 mm - 35 % filling extra parts for electric drive marble run: - Sol Expert G298-2 Micro-Motor (EAN: 4037373411221) - electrical line (ca. 0.14 mm²) - switch 15 x 7,5 mm - AAA-batterie - Contacts for battery - BEC socket and plug (EAN: 4016138614572) - Sol Expert SM2380 Solarmodul (EAN: 4037373941155) - 2 plastik gears; modul-Typ: 0.5; Number of teeth: 30, 60 (EAN: 4053199005642) - Bearing 2: 3 x 10 mm (EAN: 4016138555813) - Bearing 1: 3 x 7 mm (EAN: 2050000076299) - Shaft 3 x 115 mm - 2 screws M1,4 x 5 mm - 2 pins 1 x 9 mm extra parts for hand drive marble run: - Bearing 2: 3 x 10 mm (EAN: 4016138555813) - Bearing 1: 3 x 7 mm (EAN: 2050000076299) - Shaft 3 x 115 mm - 2 pins 1 x 9 mm