Sand/Rock Filling Equatorial Mount Counter Weight

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This container is used to replace metal counter weight, especially when you travel for long distance and want to save your luggage weight. The volume of the container is around 1 Liter. If you fill it up with sand and rock, the total weight will be around 2kg. The center hole diameter is 19mm, which is suitable for Takahashi EM-11 equatorial mount. Printing in PLA is recommended. 25% infill is good enough for most case while 10-20% infill can save much material and time over reasonable body strength. Extra material: M6x30 to M6x50 screw x1 (full thread preferred) M6 flange nut x1 Hex key for the M6 screw M4x10 screw x3 Sealant (at your flavor, optional) Assembly instruction: 1. After printing, clean up ooze and fillet edges of the parts. 2. Remove support inside the lock screw. 3. Drop the M6 flange nut into the dedicated cutout and adjust its position. 4. Insert and screw in the locking screw. Clean up the hole if necessary. 5. Seal the open cutout with sealant if you will fill the container with mud or wet stone. Such as RTV silicone. 6. Thread the three hole on the cover with M4 threading tap. 7. Install the three M4 screw