I have a few of my G0704 CNC,. So I thought I'd post up a few links.

A knife sharpener I designed and built:

The first couple parts.
https://youtu.be/thW4mNH1tMw

A few more
https://youtu.be/0a5Pp1vaUZc

Making more parts.
https://youtu.be/p4QuGDOv8uQ

https://youtu.be/7md0JE_MUxM

https://youtu.be/Hhha0NrCU_k

https://youtu.be/RNSuBW-Dbtc

Touching off Z for engraving
https://youtu.be/L7b8nRSk1pE

Engraving
https://youtu.be/dAFyQ1GSmXQ

More engraving
https://youtu.be/mhaRAXxUp7w

Assembled gadget
https://youtu.be/V80Aga3u-Ww

Testing gadget
https://youtu.be/_x72nSApWl8

Next gadget is a cover plate for an electrical switch

Setting z for contouring
https://youtu.be/AP2ovsmmkME

Contour roughing
https://youtu.be/U1Ao1c63Ov8

Drilling pilot holes
https://youtu.be/SsoHzE6U8z0

Drilling holes
https://youtu.be/cB1ueIIlSLI

Setting z to engrave
https://youtu.be/N2aSpbaf5AQ

Engraving
https://youtu.be/n_Qn5P64WGs

 chamfer
https://youtu.be/5U1-78bAvAQ