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$fn=100; |
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//Univerzální model držáku ventilátoru |
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//Parametry ventilátoru |
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roztec_mezi_srouby=20; |
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vzdalenost_stredu_sroubu_od_okraje=4; |
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//Parametry úchytu ventilátoru |
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sirka_uchytu=10; |
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//Parametr šroubu uchytného u ventilátoru |
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vyska_hlavy_sroubu=5; |
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prumer_sroubu=3.2; |
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//Roztec der v ALbase |
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roztec=10.16; |
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prumer_otvoru=3.2; |
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sila_materialu=1.8; |
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vzdalenost_od_okraje=5; |
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pocet_der_x=2; |
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pocet_der_y=4; |
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difference(){ |
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union(){ |
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//spodní díl |
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cube([roztec*(pocet_der_x-1)+2*vzdalenost_od_okraje,roztec*(pocet_der_y-1)+2*vzdalenost_od_okraje,sila_materialu],center=true); |
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//uchyt na ventilátor |
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translate([(pocet_der_x-1)*roztec/2+vzdalenost_od_okraje, roztec_mezi_srouby/2-sirka_uchytu/2, sila_materialu/2]) |
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rotate([0, -90, 0]) |
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cube([vzdalenost_stredu_sroubu_od_okraje+vyska_hlavy_sroubu+prumer_sroubu,sirka_uchytu,sila_materialu],center=false); |
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//uchyt 2 |
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translate([(pocet_der_x-1)*roztec/2+vzdalenost_od_okraje, -roztec_mezi_srouby/2-sirka_uchytu/2, sila_materialu/2]) |
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rotate([0, -90, 0]) |
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cube([vzdalenost_stredu_sroubu_od_okraje+vyska_hlavy_sroubu+prumer_sroubu,sirka_uchytu,sila_materialu],center=false); |
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//podpera 1 |
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translate([0, roztec_mezi_srouby/2-sila_materialu/2, sila_materialu/2]) |
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rotate([-90, -90, 0]) |
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linear_extrude (height = sila_materialu, convexity = 10) |
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polygon(points=[[0,0],[0, (pocet_der_x-1)*roztec/2+vzdalenost_od_okraje],[vyska_hlavy_sroubu,(pocet_der_x-1)*roztec/2+vzdalenost_od_okraje],[0,0]]); |
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//podpera 2 |
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translate([0, -roztec_mezi_srouby/2-sila_materialu/2, sila_materialu/2]) |
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rotate([-90, -90, 0]) |
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linear_extrude (height = sila_materialu, convexity = 10) |
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polygon(points=[[0,0],[0, (pocet_der_x-1)*roztec/2+vzdalenost_od_okraje],[vyska_hlavy_sroubu,(pocet_der_x-1)*roztec/2+vzdalenost_od_okraje],[0,0]]); |
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} |
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//otvory na šrouby v držáku |
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translate([(pocet_der_x-1)*roztec/2+vzdalenost_od_okraje-sila_materialu/2, roztec_mezi_srouby/2, sila_materialu/2+vyska_hlavy_sroubu+vzdalenost_stredu_sroubu_od_okraje]) |
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rotate([0, -90, 0]) |
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cylinder(h=sila_materialu+0.2, r=prumer_sroubu/2, center=true); |
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translate([(pocet_der_x-1)*roztec/2+vzdalenost_od_okraje-sila_materialu/2, -roztec_mezi_srouby/2, sila_materialu/2+vyska_hlavy_sroubu+vzdalenost_stredu_sroubu_od_okraje]) |
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rotate([0, -90, 0]) |
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cylinder(h=sila_materialu+0.2, r=prumer_sroubu/2, center=true); |
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//otvory na šrouby ve spodní části |
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translate([(pocet_der_x-1)*roztec/2, (pocet_der_y-1)*roztec/2, 0]) |
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cylinder(h=sila_materialu+0.2, r=prumer_otvoru/2, center=true); |
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translate([-(pocet_der_x-1)*roztec/2, (pocet_der_y-1)*roztec/2, 0]) |
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cylinder(h=sila_materialu+0.2, r=prumer_otvoru/2, center=true); |
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translate([(pocet_der_x-1)*roztec/2, -(pocet_der_y-1)*roztec/2, 0]) |
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cylinder(h=sila_materialu+0.2, r=prumer_otvoru/2, center=true); |
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translate([-(pocet_der_x-1)*roztec/2, -(pocet_der_y-1)*roztec/2, 0]) |
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cylinder(h=sila_materialu+0.2, r=prumer_otvoru/2, center=true); |
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} |