Testobject stl

Testobject/MMU-Testobject.scad

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+/*
+ * Multi Material Test Object
+ *
+ *  Created by Nikolai Rinas on 12/28/2018
+ *  Copyright (c) 2018 Nikolai Rinas. All rights reserved.
+ * 
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+  
+ *   You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <http://www.gnu.org/licenses/>
+ */
+
+$fn = 180;
+
+nozzle = 0.4;
+thinWall = nozzle*2;
+
+print = "all";
+//print = "base";
+//print = "windows";
+//print = "tubes";
+
+baseWidth = 38;
+baseHeight = 28;
+baseDepth = thinWall*3;
+
+windowHeightOffset = 4;
+windowWidthOffset = 4;
+windowWidth = 10;
+windowHeight = 10;
+windowDepth = thinWall;
+windowInlay = 3;
+firstWindowX = 8;
+firstWindowY = 3;
+firstWindowDepth = nozzle;
+secondWindowX = firstWindowX * 2 + windowWidthOffset;
+secondWindowY = firstWindowY;
+thirdWindowX = firstWindowX;
+thirdWindowY = firstWindowY+ windowHeight/1.3 + windowHeightOffset;
+thirdWindowDepth = firstWindowDepth;
+fourthWindowX = secondWindowX;
+fourthWindowY = thirdWindowY;
+
+towerDiameter = 10;
+towerYOffset = 2;
+towerHeight = baseHeight - 6;
+
+leftTowerX = 0;
+leftTowerY = towerYOffset;
+rightTowerX = baseWidth;
+rightTowerY = towerYOffset;
+
+towerBaseHeight = towerYOffset + 2;
+towerBaseDiameter = towerDiameter*1.5;
+leftTowerBaseX = 0;
+leftTowerBaseY = 0;
+rightTowerBaseX = baseWidth;
+rightTowerBaseY = 0;
+leftTowerTopX = 0;
+leftTowerTopY = towerHeight + towerYOffset;
+rightTowerTopX = baseWidth;
+rightTowerTopY = towerHeight + towerYOffset;
+
+barWidth = 2.5;
+barHeight = baseWidth - towerDiameter;
+
+module windowFrame(x,y,width=thinWall) {
+  translate([x,thinWall,y]){
+    cube([windowWidth,width,windowHeight], center=false);
+  }
+}
+
+module placeWindow(x,y,width=thinWall) {
+    windowFrame(x,y,width);
+    // Cut for the first window
+    translate([x+(windowInlay/2),-1,y+(windowInlay/2)]) {
+      cube([windowWidth-windowInlay,baseDepth+2,windowHeight-windowInlay], center=false);
+    }
+}
+
+module placeTower(x,y) {
+  translate([x,0,y]) {
+    cylinder(towerHeight, d=towerDiameter, center=false);
+  }
+}
+
+module placeCrossBeam(d,height) {
+   translate([height/5.5,-2,baseHeight-d/1.9]) {
+     rotate([0,90,0]) {
+      //cylinder(height,d=d,center=false);
+       cube([d/1.5,d/2,height], center=false);
+    }
+  } 
+}
+
+module placeTowerFrame(x,y) {
+  translate([x,0,y]) {
+    cylinder(towerBaseHeight, d=towerBaseDiameter, center=false);
+  }
+  if ( y == 0 ) {
+    translate([x,0,y+towerBaseHeight]) {
+      cylinder(towerBaseHeight*2,towerBaseDiameter/2,0, center=false);
+    }
+  }else{
+    translate([x,0,y-towerBaseHeight*2]) {
+      cylinder(towerBaseHeight*2,0,towerBaseDiameter/2, center=false);
+    }    
+  }
+}
+
+module plaBase() {
+  union() {
+    difference(){
+      cube([baseWidth,baseDepth,baseHeight], center=false);
+      placeWindow(firstWindowX, firstWindowY, firstWindowDepth);
+      placeWindow(secondWindowX, secondWindowY);
+      placeWindow(thirdWindowX, thirdWindowY, thirdWindowDepth);
+      placeWindow(fourthWindowX, fourthWindowY);
+      placeTower(leftTowerX, leftTowerY);
+      placeTower(rightTowerX, rightTowerY);
+    }
+    difference() {
+      placeTowerFrame(leftTowerBaseX, leftTowerBaseY);
+      placeTower(leftTowerX, leftTowerY);
+    }
+    difference() {
+      placeTowerFrame(rightTowerBaseX, rightTowerBaseY);
+      placeTower(rightTowerX, rightTowerY);
+    }
+    difference() {
+      placeTowerFrame(leftTowerTopX, leftTowerTopY);
+      placeTower(leftTowerX, leftTowerY);
+      placeCrossBeam(barWidth,barHeight);
+    }
+    difference() {
+      placeTowerFrame(rightTowerTopX, rightTowerTopY);
+      placeTower(rightTowerX, rightTowerY);
+      placeCrossBeam(barWidth,barHeight);
+    }
+  }
+}
+
+module petgWindows() {
+  windowFrame(firstWindowX, firstWindowY, firstWindowDepth);
+  windowFrame(secondWindowX, secondWindowY);
+  windowFrame(thirdWindowX, thirdWindowY, thirdWindowDepth);
+  windowFrame(fourthWindowX, fourthWindowY);
+}
+
+module absTower() {
+  placeTower(leftTowerX, leftTowerY);
+  placeTower(rightTowerX, rightTowerY);  
+}
+
+if ( print == "base" || print == "all" ) {
+  color("lime"){
+    plaBase();
+  }
+}
+if ( print == "windows" || print == "all" ) {
+  color("LightBlue", alpha = 0.5){
+    petgWindows();
+  }
+}
+if ( print == "tubes" || print == "all" ) {
+  color("red") {
+    absTower();
+    placeCrossBeam(barWidth,barHeight);
+  }
+}