Instructions
Print out each part. Double up the wheels. Glue together as required (should be reasonably obvious where each part goes).
Please modify as you wish. I'm sure there is a better or more efficient design to discover.
Print out each part. Double up the wheels. Glue together as required (should be reasonably obvious where each part goes).
Please modify as you wish. I'm sure there is a better or more efficient design to discover.