Parts to print:
A rod of diameter 2.5mm(0.1 inch)
Step by step guide:
- Bond the base and Spring. The holes must concentered. Refer 3rd photo.
- Put the end of the spoon into the square hole of drum. The open face of spoon must be perpendicular to the circular hole of the drum.
- Penetrate the base, drum and spacer by rod. Cut the rod into appropriate length
- Pass through the string into the hole at the middle of the drum. Wind the string to the drum and tie each end to the spring.
- Enjoy throwing things!