Mark's Locksmith

The "bodyfor4splitshotweights-9.7mm.stl" will hold up to 4 split shots, about 9.7mm and about 4.4 grams each.

The "bodyfor5splitshotweights-9.7mm.stl" will hold up to 5 split shots, about 9.7mm and about 4.4 grams each.

I added a sinker slider because you might want to use your own weights too.

You will need is a Jumbo Size Paper Clip, and weights.

Print with supports touching the build plate.

Use "topbodysinkerslide.stl" with "bodyfor4splitshotweights-9.7mm.stl" or "bodyfor5splitshotweights-9.7mm.stl".

I make my own split shots using this casting mold.
1127 New Do-It Split Shot Mold - 11 of 1/16 & 9 of 1/8 oz includes B40 Blade
I bought mine off of eBay.com for about $43.50 plus $6.95 shipping. The seller is zlures (8122).

I added a sinker slider and a needle. The needle may help you tie fish knots.

I use this at Henry Hagg Lake by Gaston, Oregon, fishing for trout.