clamp: improve and setup build queue

.github/workflows/mechanics_clamp_build.yml

@@ -0,0 +1,38 @@
+name: mechanics_clamp_build
+
+on:
+  workflow_dispatch:
+  workflow_call:
+  push:
+    # only trigger on branches, not on tags
+    branches: '**'
+
+
+jobs:
+  build:
+    runs-on: ubuntu-22.04
+    steps:
+      - name: install openscad
+        run: sudo apt-get install -y openscad
+
+      - name: set environment variable
+        run: echo MY_VERSION_ID=$(echo $GITHUB_REF_NAME | grep -oE "v[0-9]+\.[0-9]+\.[0-9]+") >> $GITHUB_ENV
+
+      - name: checkout
+        uses: actions/checkout@v3
+
+      - name: build
+        run: |
+          cd ./mechanics/clamp
+          echo version: $MY_VERSION_ID
+          openscad --hardwarnings -D "ver=\"$MY_VERSION_ID\"" -o clamp.stl clamp.scad
+          openscad --hardwarnings -o distance.stl distance.scad
+      
+      - name: upload results
+        uses: actions/upload-artifact@v3
+        with:
+          name: clamp
+          path: |
+            ./mechanics/clamp/clamp.stl
+            ./mechanics/clamp/distance.stl
+            ./mechanics/clamp/3d_print_instructions

.github/workflows/mechanics_clamp_createRelease.yml

@@ -0,0 +1,45 @@
+name: mechanics_clamp_createRelease
+
+on:
+  workflow_dispatch:
+  push:
+    tags: 'mechanics_clamp_v*.*.*'
+
+
+jobs:
+  build:
+    uses: ./.github/workflows/mechanics_clamp_build.yml
+
+  create_release:
+    runs-on: ubuntu-22.04
+    needs: build
+    steps:
+      - name: create release
+        id: create_release
+        uses: actions/create-release@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          tag_name: ${{ github.ref_name }} # tag_name is the same tag name the triggered this workflow
+          release_name: ${{ github.ref_name }}
+          draft: false
+          prerelease: false
+
+      - name: download build data
+        uses: actions/download-artifact@v3
+        with:
+          name: clamp
+          path: ./clamp_data
+
+      - name: zip fabrication data
+        run: zip -jr clamp ./clamp_data
+
+      - name: upload release asset
+        uses: actions/upload-release-asset@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          upload_url: ${{ steps.create_release.outputs.upload_url }} # references to the step with id 'create_release'
+          asset_path: ./clamp.zip
+          asset_name: ${{ github.event.repository.name }}__${{ github.ref_name }}__clamp.zip
+          asset_content_type: application/zip

mechanics/clamp/3d_print_instructions

@@ -0,0 +1,4 @@
+suggestions:
+- PETG for outdoor use
+- variable layer height for high quality
+- infill 100% for better stability

mechanics/clamp/clamp.scad

@@ -1,21 +1,27 @@
 $fn = 180;
 
-back();
+plate_height = 3;
+ver = "vX.X.X";
+
 
+
+back();
 translate([50, 0, 0]){
 	front();
 }
 
 
+
+
 module front(){
 	difference(){
 		intersection(){
 			base();
 			cut();
 		}
-		xAbs = 10;
+		xAbs = 9;
 		for(x = [-xAbs, xAbs]){
-			translate([x, 0, -25])
+			translate([x, 0, 38.5])
 				rotate([90, 0, 0]){
 					#cylinder(d=3.9, h=15);
 					translate([0, 0, 5])
@@ -29,30 +35,58 @@ module back(){
 	difference(){
 		base();
 		cut();
-		xAbs = 10;
+		xAbs = 9;
 		for(x = [-xAbs, xAbs]){
-			translate([x, 0, -25])
+			translate([x, 0, 38.5])
 				rotate([-90, 0, 0])
-					#cylinder(d=2.5, h=15);
+					#cylinder(d=2.6, h=15);
 		}
 	}
 }
 
 
 module cut(){
-	translate([0, -7.5, -25])
+	translate([0, -7.5, 38.5])
 		cube([50, 15, 10], center=true);
 }
 
 
 module base(){
 	difference(){
 		union(){
-			cube([50, 50, 5], center=true);
-			translate([0, 0, -15])
-				cylinder(d=30, h=30, center=true);
+			cube([100, 100, plate_height], center=true);
+			cylinder(d=29.9, h=42+plate_height/2);
+		}
+		translate([0, 0, 15])
+			cube([12, 4, 60], center=true);
+
+		for(angle = [0:90:270]){
+			rotate([0, 0, angle])
+				translate([50, 0])
+					cylinder(d=50, h=plate_height+1, center=true);
 		}
-		translate([0, 0, -15])
-			cube([12, 4, 40], center=true);
+
+		xyAbs = 40;
+		for(x=[-xyAbs, xyAbs], y=[-xyAbs, xyAbs]){
+			translate([x, y]){
+				cylinder(d=2.6, h=plate_height+1, center=true);
+				translate([0, 0, -plate_height/2+1])
+					cylinder(d1=4.9, d2=2.6, h=2, center=true);
+			}
+		}
+
+		version_ids();
 	}
 }
+
+
+module version_ids(){
+	translate([0, 20, -plate_height/2])
+		rotate([180])
+			linear_extrude(1, center=true)
+				text(ver, size=10, halign="center");
+
+	translate([0, -8, 42+plate_height/2])
+		linear_extrude(1, center=true)
+			text(ver, size=4, halign="center");
+}