5 mainframeendthick = 2.5;
11 boltholedia = 6.5 + 0.5;
12 boltholeslotshorter = 6;
13 mainframeholedia = 5 + 0.5;
15 // "slot" refers to the things in the base of the drill press stand
16 backslotedgespace = 71;
18 backslotmid2screwhole = 17;
22 // "keepslot" refers to the screws in the wooden jig block
25 keepslotx = backslotedgespace / 2;
28 mainframeextraside = 15;
29 mainframeextrafront = 25;
31 rearwallstrengthwidth = 10;
35 mainframeholex = backslotedgespace/2 + slotwidth/sqrt(2) +
36 backslotmid2screwhole / sqrt(2);
38 mainframeholey = -backslotmid2screwhole / sqrt(2);
40 mainframemaxx = mainframeholex + mainframeextraside;
41 mainframeminy = mainframeholey - mainframeextrafront;
42 mainframemaxz = keepslotstartz + keepslotlen;
47 translate([-1, mainframeminy, 0])
48 cube([mainframemaxx+1, -mainframeminy, basethick]);
49 translate([-1, -rearwallthick, 0])
50 cube([mainframemaxx+1, rearwallthick, mainframemaxz]);
52 for (x=[keepslotx - 10, mainframemaxx]) {
55 linear_extrude(height=mainframeendthick)
56 polygon([[-mainframeminy, 0],
61 translate([backslotedgespace/2, 0, 1])
63 linear_extrude(height=slotplugheight+1)
65 [slotwidth * sqrt(2), 0],
66 [slotplugdepth / sqrt(2) + slotwidth * sqrt(2),
68 [slotplugdepth / sqrt(2), -slotplugdepth]]);
70 -rearwallthick - boltholeslotshorter + 0.2,
71 tubedia + tubetubetopslop + tubetubethick + 4])
72 cube([keepslotx - 10 + 1,
73 boltholeslotshorter + 0.5,
74 rearwallstrengthwidth]);
79 module TubeThing(extralen, dia, extraheight, underheight){
80 effheight = tubetubetopslop + extraheight + underheight;
81 len = -mainframeminy + extralen * 2;
82 translate([0, mainframeminy - extralen, -underheight]) {
83 translate([0,0, dia/2 + effheight])
84 rotate([-90,0,0]) cylinder(h=len, r=dia/2);
85 translate([-dia/2, 0, 0])
86 cube([dia, len, effheight + dia/2]);
94 TubeThing(0, tubedia+tubetubethick*2, -tubetubethick, 0);
98 TubeThing(10, tubedia, 0, 5);
99 translate([-boltholedia/2, mainframeminy - 1, -5])
101 -mainframeminy + 1 - rearwallthick - boltholeslotshorter,
102 mainframemaxz + 10]);
105 translate([mainframeholex, mainframeholey, -30])
106 cylinder(h=basethick+40, r=mainframeholedia/2);
107 translate([keepslotx - keepslotwidth/2,
108 -10, keepslotstartz])
109 cube([keepslotwidth, 20, keepslotlen + 10]);
117 //TubeThing(0, tubedia);