◆ Concrete
Classical torso sculpture mold
Cast a 140 mm classical male torso in concrete or plaster. Silicone mold kit.
◆ Concrete
Cast a 140 mm classical male torso in concrete or plaster. Silicone mold kit.
A classical male torso 140 mm tall and about 124 mm across the shoulders, in the style of an ancient marble fragment: broad chest, carved abdomen, the neck and arms broken off. It stands on the flat cut at its waist, so it sits on a shelf, a desk or a garden wall with no plinth.
The mold is made with the hugging-shell mode of our silicone mold maker, the mode the site itself picks for this shape: every muscle is an undercut that would lock a rigid mold, and silicone peels out of them. Print the base with the torso fused onto it, the two shell halves and the six clamps, pour about 871 ml of silicone, and cast in the flexible mold that comes out.
A fine concrete gives a heavy, stony sculpture; casting plaster or Jesmonite gives a crisp white one. The same mold takes candle wax for a large statement candle.
The zip carries every printed part, the torso master as its own STL, the tool's own print-settings sheet and a recipe file for the generator.
The main photo is our own test print: the torso fused on its base and one shell half, straight off a Bambu textured plate, with the clamp studs running up the shell's edge. The second image is a 3D render of every part pulled apart around the master.
Print the base, which has the master already fused onto it, the two shell halves and the six clamps (all six are in clamps.stl). No supports.
Stand the shell halves on the base around the master and push the six printed clamps over the seams. Steel binder clips work too, the seats for them are built into the shell.
Tape the outside seams or run a bead of hot glue along them, because silicone finds every gap.
Mix 930 ml of silicone in one batch, pour it into the open top in a thin stream, and fill level with the rim.
Once it has cured, unclip the shell and slide each half off SIDEWAYS, not upward: the master is wider above its foot, so the base rib is left open for that. Then peel the silicone off the master. That silicone is your mold.
Set the silicone back in the shell to keep its shape, and cast into it through the opening the base left.
Print details
| Cast material | Concrete |
|---|---|
| Printed parts | 9 |
| Size (W x D x H) | 157 x 124 x 156 mm |
| Print bed needed | 137 x 112 mm, 157 mm tall |
| Filament | ~495 g |
| Layer height | 0.2 mm |
| Infill | 15% |
| Supports | Not needed |
| Download | ZIP: 9 printed parts in 4 STL files + sculpture master (STL) + print sheet + recipe |
| Added | 2026-09-24 |
Made with the free Silicone mold maker generator. Upload your own model and get the same kind of mold built around it, in your browser.
Free download. Opens the Thingiverse listing in a new tab.
Free for personal use. Selling the pieces you cast needs a commercial licence (Pro or Founder); passing on the file itself is not permitted on any plan. Full terms.
New to casting? Read the silicone mold maker guide.
Fine concrete with no gravel gives the classic stone look and survives outdoors; leave it a day before you demold. Casting plaster or Jesmonite is lighter and whiter and ready in about an hour. Either way, brush a thin first coat into the mold so it reaches into every muscle, then fill the rest and tap the mold for a minute.
One small spot: about 1 ml of air stays in a pocket at one side, about 55 mm up, where it cannot rise to the opening. Tilt the mold a little while you pour so the air can climb out, or cut a thin vent in the cured silicone from that spot up toward the opening before your first cast.
Yes. It takes about 648 ml of pillar wax, so it is a big decorative candle. Use a wick rated for a 100 mm pillar and thread it through the silicone at the top of the torso before you pour.
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