Start building BOM of project with a rough price estimate

README.md

@@ -2,6 +2,8 @@
 
 A desktop 16mm contact printer and film transport platform made using 3D printing and aluminum extrusion.
 
+## [Project Home: git.sixteenmillimeter.com/16mm/contact_printer](https://git.sixteenmillimeter.com/16mm/contact_printer)
+
 ## Acknowledgements
 
 Developed with support from [Filmwerkplaats at WORM](https://worm.org/spaces/filmwerkplaats/) and [SPECTRAL](http://www.spectral-cinematics.eu/).
@@ -12,7 +14,21 @@ Magnetic clutch design inspired by Clyde Shaffer's [Shaffer Linear Processor](ht
 
 ---
 
-## [Project Home: git.sixteenmillimeter.com/16mm/contact_printer](https://git.sixteenmillimeter.com/16mm/contact_printer)
+# Bill of Materials
+
+<!-- bom -->
+
+|                Part                 | Qty | Cost (USD) |
+|-------------------------------------|-----|------------|
+| M3 sliding t slot nut               | 6   | 0.36       |
+| M3 hex cap bolt 8mm                 | 6   | 0.54       |
+| M3 hex cap bolt 6mm                 | 4   | 0.28       |
+| ESP32 Dev board                     | 2   | 13.32      |
+| 2020 Aluminum extrusion 420mm       | 2   | 5.22       |
+| 2020 Aluminum extrusion 260mm       | 4   | 6.44       |
+| 100RPM DC geared motor with encoder | 1   | 17.02      |
+
+<!-- /bom -->
 
 ### Mirrors
 

models.txt

@@ -0,0 +1,35 @@
+2020_tslot_insert
+bearing_post_nut
+corner_foot
+daylight_spool_insert_reinforced
+daylight_spool_insert_reinforced_nut
+electronics_panel
+feed_panel_motor_mount
+feed_panel_picture
+feed_panel_stock
+filter_carrier
+full_gate
+gate_carrier
+gate_holder
+idle_roller_half_a
+idle_roller_half_b
+lamp_cover
+lamp_dual
+lamp_LEDs
+lamp_single
+magnetic_coupling
+motor_controller_panel
+panel
+picture_gate
+slip_coupling
+sound_gate
+sprocketed_roller
+sprocketed_roller_invert
+sprocketed_roller_invert_solid
+sprocketed_roller_solid
+sprocketed_wheel
+super_gate
+takeup_panel_picture
+takeup_panel_picture_motor_mount
+takeup_panel_stock
+takeup_panel_stock_motor_mount

scad/contact_printer.scad

@@ -152,9 +152,6 @@ L298NModulePostsX = 36.5;
 L298NModulePostsY = 36.5;
 L298NModulePostsD = 2.8;
 
-echo("BOM: [Frame] 2020 Extrusion X (x2)", FrameX + 20);
-echo("BOM: [Frame] 2020 Extrusion Y (x4)", FrameY);
-
 /**
  * DEBUG MODULES
  **/
@@ -428,11 +425,11 @@ module gate_blank () {
     SidesY = 2.7;
     RollerVoidY = -2;
     SprocketShelfZ = 1.75;
-    SprocketShelfOffsetZ = -7.2;
+    SprocketShelfOffsetZ = -7;
     SprocketShelfD = 44.75;
     RollerShelfZ = 2.9;
     RollerShelfD = 44.75;
-    PictureShelfZ = 11;
+    PictureShelfZ = 10.5;
     PictureShelfOffsetZ = -0.5;
     PictureShelfD = 44.75;
     
@@ -683,6 +680,10 @@ module panel_bearing_void (pos = [0, 0, 0]) {
     }
 }
 
+//BOM: 4,M3 hex cap bolt 6mm,N/A,Attach encoder motor to panel
+//BOM: 6,M3 hex cap bolt 8mm,N/A,Attach panel to aluminum extrusions
+//BOM: 6,M3 sliding t slot nut,N/A,Attach aluminum extrusions to panel
+//BOM: 1,100RPM DC geared motor with encoder,N/A,Drive the sprocketed_roller
 module panel (pos = [0, 0, 0]) {
     BoltX = (PanelX-20)/2;
     BoltY2 = (PanelY)/2;
@@ -1376,6 +1377,8 @@ module button_void (pos = [0, 0, 0], rot = [0, 0, 0]) {
     }
 }
 
+//BOM: 1, ESP32 Dev board,N/A,Control the contact_printer
+//BOM: 1, ESP32 Dev board,N/A,Control the contact_printer
 module electronics_panel (pos = [0, 0, 0], rot = [0, 0, 0]) {
     X = PanelX - 40;
     Y = 100;
@@ -1573,7 +1576,13 @@ module debug_lamp () {
     gate_carrier([0, -2.5, 11]);
 }
 
-PART = "gate_carrier";
+//BOM: 2, 2020 Aluminum extrusion 420mm,N/A,Top and bottom frame
+//BOM: 4, 2020 Aluminum extrusion 260mm,N/A,Sides and central frame
+module contact_printer () {
+    //debug module for BOM
+}
+
+PART = "gate_carrierx";
 LIBRARY = true;
 
 if (PART == "panel") {

scripts/bom.sh

@@ -0,0 +1,58 @@
+#!/bin/bash
+
+if [[ "${1}" == "" ]]; then
+	echo "Please use a .scad file as first argument"
+	exit 1
+fi
+
+FILENAME=$(basename "${1}" | tr '[:upper:]' '[:lower:]')
+EXTENSION="${FILENAME##*.}"
+
+if [[ "${EXTENSION}" != "scad" ]]; then
+	echo "Please use a .scad file as first argument, not .${EXTENSION}"
+	exit 2
+fi
+
+if [[ ! -f "${1}" ]]; then
+	echo "File ${1} does not exist"
+	exit 3
+fi
+
+mkdir -p hardware
+
+NAME="${FILENAME%.*}"
+DESTINATION="./hardware/${NAME}_BOM.csv"
+TOTAL="./hardware/${NAME}_BOM_total.csv"
+
+touch "${DESTINATION}"
+touch "${TOTAL}"
+
+DESTINATION=$(realpath "${DESTINATION}")
+TOTAL=$(realpath "${TOTAL}")
+PRICES=$(realpath "./hardware/prices.csv")
+MODULE=""
+
+echo "module,quantity,part,part_id,description" > "${DESTINATION}"
+
+tac "${1}" | while read line; do
+    module=$(echo "${line}" | grep 'module')
+    if [[ "${module}" != "" ]]; then
+    	MODULE=$(echo "${module}" | xargs | awk '{print $2}' | awk -F'{' '{print $1}')
+    fi
+    bom=$(echo "${line}" | grep '//' | grep 'BOM' | awk -F'BOM:' '{print $2}'| xargs)
+    if [[ "${bom}" != "" ]]; then
+    	QUANTITY=$(echo "${bom}" | awk -F',' '{print $1}' | xargs)
+    	PART=$(echo "${bom}" | awk -F',' '{print $2}' | xargs)
+    	ID=$(echo "${bom}" | awk -F',' '{print $3}' | xargs)
+    	DESCRIPTION=$(echo "${bom}" | awk -F',' '{print $4}' | xargs)
+    	echo "[${MODULE}] ${QUANTITY}x ${PART} (${ID})"
+    	echo "${MODULE},${QUANTITY},${PART},${ID},${DESCRIPTION}" >> "${DESTINATION}"
+    fi
+done
+
+echo "quantity,part,part_id,price" > "${TOTAL}"
+sqlite3 :memory: -cmd '.mode csv' -cmd ".import ${DESTINATION} bom" -cmd ".import ${PRICES} prices"\
+  'SELECT SUM(quantity),part,part_id, SUM(quantity) * (COALESCE((SELECT prices.price FROM prices WHERE prices.part = bom.part LIMIT 1), 0)) as price FROM bom GROUP BY part ORDER BY part DESC;' >> "${TOTAL}"
+
+sqlite3 :memory: -cmd '.mode csv' -cmd ".import ${TOTAL} bom"  -cmd '.mode markdown' \
+  'SELECT part as Part, quantity as Qty, CAST(price / 100.00 as MONEY) as "Cost (USD)" FROM bom ORDER BY part DESC;'

scripts/scad.sh

@@ -12,8 +12,10 @@ cat scad/contact_printer.scad | grep "PART ==" | awk -F'==' '{print $2}' | awk -
 
 while read m; do
 	echo "Rendering $m..."
-	openscad -o "stl/contact_printer_$m.stl" -D "PART=\"$m\"" scad/contact_printer.scad
+	openscad --export-format=asciistl --enable manifold -o "stl/contact_printer_$m.stl" -D "PART=\"$m\"" scad/contact_printer.scad
 	python scad/common/c14n_stl.py "stl/contact_printer_$m.stl"
 done < models.txt
 
+bash scripts/bom.sh "./scad/contact_printer.scad"
+
 #run client tests?