The file 'EQ Telescope Mount II. For OnStep Goto Controller 3D Printer Model' is (stl) file type, size is 2.2MB.
NOTICE: The new version now released!
EQ mount II for small telescope or DSLR, desing for OnStep goto controller.
How to make? See my video: https://youtu.be/Dmi01grPYCI
FreeCAD sources on Github
EQ mount used 2x My Planetary geerbox 1024:1
More info about OnStep goto controller on Howard Dutton project or OnStep News
My OnStep Controller Box for on Arduino Mega2560 board.
// Axis1 is for RA/Az#define StepsPerDegreeAxis1 12288.0 // calculated as : stepper_steps * micro_steps * gear_reduction1 * (gear_reduction2/360) // NEMA17 + PLANET : 200 * 16 * 27/20 * 1024/360 = 12288.0 // Axis2 is for Dec/Alt#define StepsPerDegreeAxis2 12288.0 // calculated as : stepper_steps * micro_steps * gear_reduction1 * (gear_reduction2/360) // NEMA17 + PLANET : 200 * 16 * 27/20 * 1024/360 = 12288.0 // PEC, number of steps for a complete worm rotation (in RA), StepsPerDegreeAxis1*360)/gear_reduction2. Ignored on Alt/Azm mounts.#define StepsPerWormRotationAxis1 4320L // NEMA17 + PLANET : (12288*360)/1024 = 4320
Use stones and cement to fill the weights.
AXIS-part_A.stl | 230.7KB | |
AXIS-part_B.stl | 40.7KB | |
Cabel_holder.stl | 16.8KB | |
Dist-11x8x4.stl | 21.8KB | |
Dist-8x5x2.stl | 21.4KB | |
Dist-8x5x3.stl | 21.6KB | |
Gear-27T.stl | 173.4KB | |
Holder_for_polar_finder.stl | 40.5KB | |
Holder_swiss_arca.stl_-_print_with_support.stl | 81.1KB | |
Pinion-20T.stl | 177.0KB | |
Printed_part_10__-_Box_holder_part_I.stl | 754.6KB | |
Printed_part_11__-_Box_holder_part_II_for_metal_tripod.stl | 607.9KB | |
Printed_part_11__-_Box_holder_part_II_for_wood_tripod.stl | 761.0KB | |
Printed_part_12_-_Handheld_controller.stl | 333.4KB | |
Printed_part_1_-_RA_and_DE_AXIS.stl | 552.4KB | |
Printed_part_2_-_Gears.stl | 829.6KB | |
Printed_part_3_-_Holders_-_print_with_support.stl | 236.0KB | |
Printed_part_4_-_Weight_bottom.stl | 76.0KB | |
Printed_part_5_-_Weight_top.stl | 95.8KB | |
Printed_part_6_-_Gearbox_part_II.stl | 1.2MB | |
Printed_part_7_-_Gearbox_part_I.stl | 895.3KB | |
Printed_part_8_-_Gearbox_part_III.stl | 135.2KB | |
Printed_part_9_-_OnStepBox.stl | 841.5KB |