Cages › In-ring inverted cup
In-ring inverted cup
The cup sits inside a wide flat ring: a flat, nearly invisible profile.
from $33 delivered
Open the 3D model Sizing guide
The model opens as the real part: turn it, pick a size, material and colour, or change every millimetre. Printed and shipped by the manufacturer you choose at checkout; prices are Craftcloud's quotes for the file as it is (Craftcloud's quotes of 26 Sep 2026); est. marks a material no manufacturer quotes instantly, priced at placeholder rates.
Sizes
In Nylon PA12, white; or your own measurements with the sizing guide.
| Size | Ring bore · length | Price |
|---|---|---|
| Small | Ø40 · 65 mm | $33 |
| Medium | Ø45 · 85 mm | $33 |
| Large | Ø50 · 110 mm | $33 |
Which size?
What each size answers to on a tape; the 3D page suggests one from your three readings.
| Size | Ring around | Shaft around | Flaccid length |
|---|---|---|---|
| Small | 179 mm | 88 mm | 32 mm |
| Medium | 179 mm | 104 mm | 32 mm |
| Large | 195 mm | 119 mm | 32 mm |
- Base ring: Loop the tape around the shaft and scrotum together, behind the testicles and as close to the body as a ring would sit. Read the circumference.
- Shaft: Circumference of the flaccid shaft at its thickest point, usually just behind the glans. Tape snug against the skin, not compressing it. Sets the base and the shaft end diameters together; Sizing › Shaft can then taper one from the other.
- Length: From the pubic bone to the tip with the ruler pressed firmly into the fat pad above the shaft. Flaccid and hanging, never stretched.
Materials
Medium size; the cage's sections follow the material's strength.
| Material | Process | Price |
|---|---|---|
| Nylon PA12, white | SLS | $33 |
| Nylon PA12, dyed black | SLS | $33 |
| Biocompatible resin | SLA | $138 |
| Engineering resin, black | SLA | $30 |
| Stainless steel 316L | DMLS | $50 |
| Titanium Ti6Al4V | DMLS | $113 |
| TPU 90A, flexible | SLS | The inverted cup sits inside the ring's bore with the scrotum below it: the ring needs an inner diameter of at least 56 mm. |
| Silicone, soft | DLS | The inverted cup sits inside the ring's bore with the scrotum below it: the ring needs an inner diameter of at least 57 mm. |
Craftcloud's quotes for the file as it is (Craftcloud's quotes of 26 Sep 2026); est. marks a material no manufacturer quotes instantly, priced at placeholder rates.
Known issues
What wearers have told us about this cage, and where each fix stands. Something wrong with yours? Report a problem.
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