Replacement base plate for Sparta Alt-Az mount for Bresser tripod
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A replacement base plate for Sparta Alt-Az mount, allowing it to be attached to a Bresser EQ-3 tripod
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- Źródło
- Printables
- Kategoria
- Physics & Astronomy
- Licencja
- Creative Commons — Attribution
This is a replacement base plate for Sparta Alt-Az mount for use on Bresser tripod that comes with Bresser EQ-3 mount.
My tripod came with Bresser Space Explorer MC 127/1900 Maksutov-Cassegrain (Product number: 9621804, EAN: 4007922071701).
Sparta Alt-Az mount has a base plate with 3/8" threaded hole, while the Bresser EQ-3 tripod uses an M10 metric bolt. Moreover, the M10 bolt sits in a recessed well, but the Sparta mount's bottom plate is too large to fit into it.
The model solves these problems. It is made in OpenSCAD and is parametric.
There are two variations of the replacement base plate - with embedded nut (tripod_adapter_embed_nut.stl), and with a removable nut (tripod_adapter_free_nut.stl). Both versions require one M10 nut to interface with the tripod's bolt.
The version with the embedded nut can only be printed vertically, and the appropriate PAUSE command must be added to g-code when slicing, just above the nut, so that the nut can be manually dropped in.
I have only printed the version with removable nut, and I'm quite happy with it.
I've printed it horizontally (for strenth), with minimal supports. The nut “tunnel” was printed without supports, with two of its walls in vertical orientation.
For extra strength, I went crazy with perimeters, setting them to 16; also printed with 100% infill.
IMHO PLA is fine, but if you plan leaving the mount in your car on hot summer days, going with something more heat resistant, like PET-G or even ABS could be a better choice.