mirror of
https://github.com/revarbat/snappy-reprap.git
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143 lines
4.4 KiB
OpenSCAD
143 lines
4.4 KiB
OpenSCAD
snappy_version = 1.500;
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// 0 = Thinning Walls (Thin in the middle, thick at edges. Prettier smooth solid walls.)
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// 1 = Corrugated closed walls. (Zig-zagged solid walls. Less shrinkage stress.)
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// 2 = Crossbeam walls. (Open sparse struts. Far less shrinkage stress. Recommended.)
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wall_styling = 0;
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platform_length = 100.0; // mm. Must be a multiple of rack_tooth_size.
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platform_width = 150.0; // mm
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platform_height = 40.0; // mm
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platform_thick = 5.0; // mm
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rail_length = 136.0; // mm Must be a multiple of lifter_screw_pitch
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rail_height = 50.0; // mm
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rail_thick = 5.0; // mm
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motor_rail_length = 128.0; // mm
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groove_angle = 30; // degrees
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groove_height = 12; // mm
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joiner_angle = 30; // degrees
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joiner_width = 10; // mm
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rack_tooth_size = 5; // mm per tooth.
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rack_height = 10; // mm
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rack_base = 2; // mm
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gear_base = 10; // mm
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gear_teeth = 8;
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set_screw_size = 3; // mm size of set screw in drive gears, couplers, etc
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motor_length = 39.25; // mm length of NEMA17 motor.
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motor_shaft_size = 5; // mm diameter of NEMA17 motor shaft.
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motor_shaft_length = 20; // mm length of exposed NEMA17 motor shaft.
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motor_shaft_flatted = true; // Is motor shaft keyed? (RECOMMENDED)
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// Currently configured for 3/8" ACME threaded rod.
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lifter_screw_diam = 60.0; // mm
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lifter_screw_thick = 12.0; // mm
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lifter_screw_pitch = 8.0; // mm lift per revolution
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lifter_screw_angle = 50.0; // degrees tooth face angle
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// Mechanical endstop bare microswitch.
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endstop_hole_spacing = 9.5; // mm
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endstop_hole_inset = 8.0; // mm
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endstop_hole_hoff = 10.0; // mm
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endstop_click_voff = 3.0; // mm
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endstop_screw_size = 2.5; // mm
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endstop_length = 19.9; // mm
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endstop_thick = 6.7; // mm
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endstop_depth = 11.0; // mm
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// Standard Mk2b Heated Build Platform from RepRapDiscount.com
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hbp_width = 215; // mm
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hbp_length = 215; // mm
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hbp_hole_width = 208.5; // mm
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hbp_hole_length = 208.5; // mm
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hbp_screwsize = 3; // mm
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// Standard 200mm square borosilicate glass build platform
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glass_width = 214; // mm
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glass_length = 200; // mm
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glass_thick = 3; // mm
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// Cable chain dimensions
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cable_chain_height = 13; // mm
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cable_chain_width = 25; // mm
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cable_chain_length = 26; // mm
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cable_chain_pivot = 6; // mm
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cable_chain_bump = 1; // mm
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cable_chain_wall = 3; // mm
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spool_holder_length = 140.0; // mm
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bridge_arch_angle = 10.0; // degrees
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jhead_vent_span = 20.0; // mm
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jhead_barrel_diam = 16.0; // mm
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jhead_shelf_thick = 4.8; // mm
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jhead_groove_thick = 4.6; // mm
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jhead_groove_diam = 12.0; // mm
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jhead_cap_height = 8.2; // mm
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jhead_cap_diam = 12.0; // mm
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extruder_thick = 5.0; // mm
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extruder_shaft_len = 25.0; // mm
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extruder_drive_diam = 12.5; // mm
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/*
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// 626 bearing
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extruder_idler_diam = 19.0; // mm
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extruder_idler_axle = 6.0; // mm
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extruder_idler_width = 6.0; // mm
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*/
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/*
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// SAE bearing 5/8"OD x 1/4"ID x 1/5"W
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extruder_idler_diam = 15.9; // mm
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extruder_idler_axle = 6.3; // mm
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extruder_idler_width = 5.0; // mm
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*/
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// 686 bearing
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extruder_idler_diam = 13.0; // mm
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extruder_idler_axle = 6.0; // mm
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extruder_idler_width = 5.0; // mm
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extruder_fan_size = 40.0; // mm
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extruder_fan_thick = 10.0; // mm
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cooling_fan_size = 40.0; // mm
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cooling_fan_thick = 10.0; // mm
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cooling_duct_height = 18.0; // mm
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filament_diam = 1.75; // mm
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// This is the slop needed to make parts fit more exactly, and might be
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// printer dependant. Printing a slop calibration plate should help
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// dial this setting in for your printer.
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printer_slop = 0.25; // mm
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gear_backlash = printer_slop/2;
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// Commonly used derived values. Don't change these.
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extruder_length = motor_rail_length;
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shaft_clear = max(20.0, motor_shaft_length)-20.0;
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rail_offset = shaft_clear+12.0;
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rail_spacing = platform_width - joiner_width*4 - 10;
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rail_width = rail_spacing + joiner_width*2;
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motor_mount_spacing=43+joiner_width+10;
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side_mount_spacing = motor_rail_length-10*2;
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platform_z = rail_height+groove_height+rail_offset;
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cantilever_length = (motor_rail_length+2*platform_length-2*rail_height-extruder_length-groove_height)/2;
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motor_top_z = platform_z-platform_thick-rack_base-rack_height-gear_base-2;
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wall_styles = ["thinwall", "corrugated", "crossbeams"];
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wall_style = wall_styles[wall_styling];
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// vim: noexpandtab tabstop=4 shiftwidth=4 softtabstop=4 nowrap
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