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Adapters & couplers
Shower caddy hook adapter for a 19 mm shower rail
An adapter that lets an over-the-showerhead caddy from Simplehuman, OXO or IKEA hang from the vertical riser rail instead, when the shower head is too low or the caddy hook is too wide for the hose fitting. The clamp wraps a 19 mm rail, the common size on Grohe, Hansgrohe and Mira slide bars, with a 19.4 mm bore, a 4 mm bolt and two 3 mm rubber pad recesses. A 25 mm wide hook on the front takes the caddy's own hanger, which is usually 20 to 30 mm across. Walls are 4 mm in PETG; print it in two halves lying flat and join with an M4 stainless bolt. Open the ready-made model free, resize it on your phone or computer, then download a print-ready STL, 3MF or G-code sliced for your printer, free.Opening the ready-made model and downloading it as STL or 3MF are free, no card; AI changes use credits, from Maker at $7.99 a month.No printer? We print this part and ship it to your door. See its priceUpdated
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Adjust
Change its numbers in the viewer for free, or ask the AI in the chat: wall thickness, hole size, the thing it clips onto. AI changes use 2 credits per request (1 for a quick edit, 3 for a redesign), paid with a plan from Maker at $7.99 a month.3Print
Download a watertight STL or 3MF free, with your numbers and hand edits, or G-code sliced for your printer at the same price. After an AI change the download is included in every plan (4 credits without one).
Dimensions of the ready-made model (editable)
| Parameter | Value |
|---|---|
| clamp bore diameter (rail 19mm + clearance) | 19.4 mm |
| wall thickness | 4 mm |
| clamp height | 30 mm |
| width of bolt flange beyond outer cylinder | 10 mm |
| M4 clearance hole | 4.4 mm |
| M4 head/nut recess diameter | 8.5 mm |
| recess depth | 3.5 mm |
| rubber pad recess diameter | 8 mm |
| rubber pad recess depth | 3 mm |
| hook width | 25 mm |
| hook depth (forward projection) | 15 mm |
| hook shell wall thickness | 3 mm |
| lip height at hook tip to retain caddy | 6 mm |
Example prompt
Create a two-half rail clamp with a 19.4 mm bore and 4 mm walls, 30 mm tall, closed by an M4 bolt with two 3 mm recesses for rubber pads, with a forward hook 25 mm wide, 15 mm deep and 30 mm tall for a shower caddy hanger, for a 19 mm shower riser rail.
Fit notes
Rails come in 19, 22 and 25 mm and caddy hangers vary, so an adapter generated to your measurements holds a 3 kg loaded caddy without slipping. In SpeakCAD you give both sizes, preview the adapter in the browser, add a second hook in the chat and download the STL.
Questions people ask about a shower caddy hook adapter for a 19 mm shower rail
An adapter that lets an over-the-showerhead caddy from Simplehuman, OXO or IKEA hang from the vertical riser rail instead, when the shower head is too low or the caddy hook is too wide for the hose fitting. The clamp wraps a 19 mm rail, the common size on Grohe, Hansgrohe and Mira slide bars, with a 19.4 mm bore, a 4 mm bolt and two 3 mm rubber pad recesses. A 25 mm wide hook on the front takes the caddy's own hanger, which is usually 20 to 30 mm across. Walls are 4 mm in PETG; print it in two halves lying flat and join with an M4 stainless bolt.
Click Open it free on this page and create a free account (no card): the ready-made model opens in your browser, on your phone or computer, nothing to install. Change its numbers in the viewer for free and download a watertight STL or 3MF free, or G-code sliced for your printer at the same price. An AI change in the chat uses 2 credits per request (3 for a redesign), and the download after it is included in every plan (4 credits without one). Start with Maker: 50 credits a month for $7.99, cancel anytime.
On this page: open the ready-made model free in a SpeakCAD account (no card), change any dimension in the viewer, then download the STL or 3MF free, or G-code sliced for your printer at the same price.
A shared STL is modelled for someone else's measurements. Here you open the ready-made model free, change it to your measurements in the viewer, then download a file sized for the part you actually own, free as STL or 3MF.
Yes. SpeakCAD slices the part on its servers with OrcaSlicer and your printer's official profile (380+ printers, including Bambu Lab, Prusa, Creality and Elegoo), and you download the G-code (a sliced .gcode.3mf for Bambu Lab printers). G-code sliced for your printer costs the same as the STL: included in every plan, free for a part you shaped by hand, 4 credits without a plan for a part with AI work in it. Pick your printer on the printers page to see its profile.
No. SpeakCAD runs in the browser on your phone or computer: the chat, the 3D engine and the live viewer load in the tab. The only file you download is the finished STL, 3MF or sliced G-code.
Print it your way
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