Removing the existing standoffs is easy, and a good pair of mole grips works fine.
These are very useful for all sorts of jobs. My Friend Rufus borrowed them when he had a bad tooth that needed pulling out.
As you can see, the hole left behind looks like the electrode marks that those people had when liberated from the Matrix. They were of course CMOS batteries for the Matrix.
Being a Brit, I used a high-tech approach, by working on the floor as I had other projects in progress on the desk.
This Article Continues...Apple G3 to PC Modification
Inside The Apple G3 Case
Apple G3 Disassembling
Removing Apple G3 Motherboard Standoffs
Making a 20 Pin Molex Extender
Apple G3 with Dell Motherboard
Floppy Drive and CD-ROM Cage Mod
CPU Heatsink and Cooling Assembly
Dell Motherboard Connectors J1F1 and J7J2
Final Results: G3 is now a PC!