Sanding Tools

 2 September 2021

Sanding jig (1) for square balsa strips

1. Base piece from ice-cream stick, 2 cm long
2. Pressure piece from ice-cream stick, 2 cm long
3. 2 scrap balsa thickness spacer
4. Sand paper 150grit, 250 grit  
5. Double-sided tape

Lay double side tape to 1.

Lay sand paper stick to 1.

Lay double side tape to edges of sand paper stick.

Lay 3 to edges of sand paper stick.

Lay 2 over 3.

Squaring balsa stick/s

Pinch jig to grip balsa stick slightly

Pull stick

Reverse edge.

Sanding jig (2) for square balsa strips

1. Sanding block with sand paper 150 grit, 250 grit
2. 2 scrap balsa thickness spacer
3. Double-sided tape

Lay double side tape to 1.

Lay 2 on tape.

Squaring balsa stick/s

Lay double side tape on table.

Lay sticks on tape.

Lay jig over sticks.

Slide jig over sticks.

Lift sticks and reverse edge.

Sanding jig for balsa ends and edges

1. Rectangular piece of ply (harder than balsa), 1 side straight edged
2. Square piece of ply, each side is the width of the rectangular ply piece
3. 45-90-45 triangular ply piece
4. Base piece with length same as item 1 and width is 2cm wider than item 1
5. Sanding blocks, 150grit, 250 grit  
6. Double-sided tape

Glue 1 on 4.

Glue 2 on 1.

Lay double side tape to 1.

Sand balsa stick/s

Item 3 sticks on double side tape to hold balsa stick/s at the angle.

Lay balsa stick/s on double side tape between 2 and 3.

Slide 5 along 1.

Sand balsa formers straight

Lay balsa former blank over item 1's straight edge.

Slide 5 along 1. 

Sand balsa/foam discs

Pin blank at set distance from edge of 1.

Slide 5 along 1.

Repeatedly lift and rotate blank and slide 5 along 1.

Sanding around coins and other round object

1. coin or other round object (harder than balsa)
2. double side tape

Lay 2 on 1.

Sand discs

Lay balsa/foam on 2.

Slide 5 around 1.