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Adapters & couplers
Sony A7 IV Arca-Swiss plate with anti-twist lip
A camera-specific Arca-Swiss plate for the Sony A7 IV, A7R V and A7C II that cannot rotate on the 1/4-20 tripod socket because a 4 mm lip hooks the rear edge of the body. The dovetail is the standard 38 mm wide profile with 45 degree flanks, 90 mm long so it sits in a Peak Design, SmallRig or Manfrotto Arca clamp, and a 6.5 mm slotted hole lets the 1/4-20 screw sit exactly under the lens axis. The plate is 10 mm thick with a 12 mm relief so the battery door on the underside still opens and a Peak Design Anchor slot at the front. Print it flat in PETG or carbon-fibre nylon with 100 percent infill. 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 |
|---|---|
| X | 90 mm |
| Y | 38 mm |
| Z | 10 mm |
| total slot travel length | 15 mm |
| depth along X at rear edge | 6 mm |
| how far it cuts into the front face | 6 mm |
Example prompt
Design an Arca-Swiss camera plate for a Sony A7 IV 90 x 38 x 10 mm with 45 degree dovetail flanks, a 6.5 x 15 mm slotted hole for a 1/4-20 screw, a 4 mm anti-twist lip along the rear edge, a 12 mm battery door relief underneath and a 4 mm Peak Design Anchor slot at the front.
Fit notes
Metal plates for the A7 IV cost as much as a filter and still spin. In SpeakCAD you describe your body, its socket offset and clamp type, preview the plate in the browser, add a strap slot in the chat and download the STL.
Questions people ask about a Sony A7 IV Arca-Swiss plate with anti-twist lip
A camera-specific Arca-Swiss plate for the Sony A7 IV, A7R V and A7C II that cannot rotate on the 1/4-20 tripod socket because a 4 mm lip hooks the rear edge of the body. The dovetail is the standard 38 mm wide profile with 45 degree flanks, 90 mm long so it sits in a Peak Design, SmallRig or Manfrotto Arca clamp, and a 6.5 mm slotted hole lets the 1/4-20 screw sit exactly under the lens axis. The plate is 10 mm thick with a 12 mm relief so the battery door on the underside still opens and a Peak Design Anchor slot at the front. Print it flat in PETG or carbon-fibre nylon with 100 percent infill.
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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