CHAPTER 24 ■ BODY BUILDINGObtain an aluminum-oxide grinding-stone accessory for your variable-speed rotary tool (see Figure 24-8).
Get a stone that has a tapered tip. They’re available at hardware stores, hobby shops, and online.
Figure 24-9. Nearly perfect motor holes in container after drilling and grinding
Figure 24-8. Aluminum-oxide grinding-stone accessory for variable-speed rotary tool
You’ll be amazed at how cleanly and quickly you can remove and shape thin plastic with a grinding
stone! This is the secret to making medium and large holes in thin plastic (see Figure 24-9).