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Replacement parts
Extension cord reel crank handle
Cable reels are wound by a folding crank handle whose plastic knob and pivot break long before the cable does. The replacement is a 90 mm arm 20 mm wide and 8 mm thick with a 6 mm pivot hole at one end and a 25 mm rotating knob on a 5 mm pin at the other, plus a detent bump that keeps it folded during storage. Print the arm flat with 100 percent infill and the knob on its face, in PETG so the pin does not shear. 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 |
|---|---|
| distance from arm end to pivot center | 14 mm |
| distance from pivot center along arm | 6 mm |
| sits on top of arm surface | 8 mm |
| distance from arm end to pin center | 14 mm |
Example prompt
Design a cord reel crank: an arm 90 x 20 x 8 mm with a 6.2 mm pivot hole and detent bump at one end, a 5 mm pin boss at the other, and a separate 25 mm knob 12 mm tall with a 5.2 mm bore.
Fit notes
SpeakCAD matches the pivot hole spacing and reel hub of your specific model rather than a lookalike, and can size the knob for gloved hands if you ask. Adjust the arm length in chat until it clears the reel body. Open the ready-made model free, change its numbers in the viewer and download the STL or 3MF free; AI changes use credits.
Questions people ask about an extension cord reel crank handle
Cable reels are wound by a folding crank handle whose plastic knob and pivot break long before the cable does. The replacement is a 90 mm arm 20 mm wide and 8 mm thick with a 6 mm pivot hole at one end and a 25 mm rotating knob on a 5 mm pin at the other, plus a detent bump that keeps it folded during storage. Print the arm flat with 100 percent infill and the knob on its face, in PETG so the pin does not shear.
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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