Mini Caster Wheel

Mini caster wheel using only 7m / 20g of filament Very simple to assemble, extremely cheap.Total cost less than 0.5$ per wheel Required materials:One 608 bearing (For the tire)A few bb pellets (6mm) Tools:One flathead screwdriverA mallet/hammer See pictures for instruction Threaded base available here → https://makerworld.com/models/1311790 Use case example, around 40kg, large lead acid battery and a 2000w inverter