Check out these milling China China Turning images:
Riveting jig
Image by Jez B
Built to rivet the spokes to the rims on both front and hind wheels of my (work in progress) 1/4 scale traction engine using a hydraulic press exerting 4.8 tons of pressure to form steel 3/16" rivets For scale the mail column is 8.5" tall.
Riveting jig
Image by Jez B
Rear 3/4 view – the ‘orrible welds were added to stop the top snap ram guide block from moving. Wouldn’t be needed if I’d made the thing right in the first place…