// -*- C -*- include pump_main_dia = 38; pump_side_width = 5; pump_side_thick = 4; pump_shaft_dia = 14; baseplate = 3; pump_protr_flat = 3; pump_protr_slope = 0.9; hose_inner_dia = 20; hose_aperture = 11; hose_side_width = 5; hose_base_offset = 30; hose_side_thick = 6; hose_side_stalk_width = 6; pump_protr_protr = 3; pump_side_height = 20; // calculated pump_protr_slheight = pump_protr_protr / pump_protr_slope; pump_side_outer_rad = pump_side_width + pump_main_dia/2; baseplate_width_rad = sqrt( pow(pump_side_outer_rad, 2) -pow( pump_main_dia/2 - pump_protr_protr, 2) ); xm = baseplate + pump_main_dia/2; pump_side_total_height = pump_side_thick + pump_side_height + pump_protr_slheight + pump_protr_flat; $fa=5; module PumpSidePlan() { or = pump_side_outer_rad; difference(){ union(){ intersection(){ translate([-xm, 0]) circle(r=or); // translate([-(xm+or), -or]) square([xm+or, or*2]); } } translate([-xm-or, 0]) square(center=true, [pump_side_width*4, pump_shaft_dia]); } } module PumpSideElevation(){ x3 = 0; x2 = x3 - baseplate; x1 = x2 - pump_main_dia; x0 = x1 - pump_side_width; x2a = x2 - pump_protr_protr; x4 = x2 + pump_side_width; z0 = 0; z1 = z0 - pump_side_thick; z2 = z1 - pump_side_height; z2a = z2 - pump_protr_slheight; z2b = z2a - pump_protr_flat; arcx = x2-x1; arcy = z1-z2; translate([x0,z1]) square([x1-x0, z0-z1]); difference(){ translate([x1,z2]) square([x3-x1, z0-z2]); translate([x1,z2]) scale([1,arcy/arcx]) circle(r=arcx); } translate([x2,z2a]) square([x4-x2, z0-z2a]); hull(){ translate([x2,z2a]) square([x4-x2, z2-z2a]); translate([x2a,z2b]) square([x3-x2a, z2a-z2b]); } } module PumpSide(){ br = baseplate_width_rad; brs = hose_side_stalk_width/2; echo(brs); difference(){ intersection(){ translate([0,100,0]) rotate([90,0,0]) linear_extrude(height=200, convexity=10) PumpSideElevation(); union(){ translate([0,0,-100]) linear_extrude(height=200, convexity=10) PumpSidePlan(); // baseplate hull(){ mirror([0,0,1]) translate([-xm, -brs, 0]) cube([pump_main_dia/2 + pump_side_width, brs*2, 1]); translate([-xm, -br, -pump_side_total_height]) cube([xm, br*2, pump_protr_flat]); } } } translate([-(baseplate + pump_main_dia/2), 0, -(pump_side_thick + pump_side_height)]) cylinder(r=pump_main_dia/2, h=200); } rotate([0,0,180]) mirror([0,0,1]) translate([-0, -br, pump_side_total_height]) Commitid_BestCount_M([baseplate + pump_protr_protr, br*2]); } module HoseSidePlan(){ ro = hose_inner_dia/2 + hose_side_width; ri = (hose_inner_dia/2); st = hose_side_stalk_width/2; apx = sqrt( ri*ri - (hose_aperture*hose_aperture)/4 ); apsq = hose_base_offset + apx - hose_aperture/2; echo(apx,apsq); difference(){ union(){ translate([-1, -st]) square([hose_base_offset+1, st*2]); translate([hose_base_offset, 0]) circle(r= ro); } translate([hose_base_offset, 0]) circle(r= hose_inner_dia/2); translate([apsq, 0]) rotate(-45) square([50,50]); } //%translate([hose_base_offset + apx, 0]) square([50,50]); //%square(center=true, [100, hose_aperture]); } module HoseSide(){ mirror([0,0,1]) linear_extrude(height=hose_side_thick, convexity=10) HoseSidePlan(); } module Clip(){ PumpSide(); HoseSide(); } module ClipPrint(){ rotate([180,0,0]) Clip(); } //PumpSidePlan(); //PumpSideElevation(); //PumpSide(); //HoseSide(); //Clip(); ClipPrint();