5
D104098#1
Abb. 10
Abb. 11
Ø 6
Ø 4 Ø 20
Abb. 11a
3. Making the discs for the guidance system
a) Mark and saw out 4 discs 20mm diameter on the plywood sheet ( Part 4) Drill a 6mm hole through the middle of
the discs – then saw them out.
b) Saw out and drill the spacers ( 4mm diameter )
Instructions
e) Use the pattern ( Page 7) to mark out the playing field ( Part 3) Drill the 20mm diameter holes with a forstner bit
Arrange and glue on the pine blocks ( from step 3 ) as shown in Diagram 10
Finally glue the frame around the edge.