From a1b14a183e5814b14efa4ad3199e6a514339c196 Mon Sep 17 00:00:00 2001
From: Christian Colglazier <christian@cacolglazier.com>
Date: Sat, 21 May 2022 18:45:40 -0400
Subject: [PATCH] Cleaned code

---
 follow_focus.py | 30 ++++++++++++++++++------------
 1 file changed, 18 insertions(+), 12 deletions(-)

diff --git a/follow_focus.py b/follow_focus.py
index 0d8a061..e49018f 100644
--- a/follow_focus.py
+++ b/follow_focus.py
@@ -6,23 +6,33 @@ import math
 from shapely.geometry import LineString
 from shapely.geometry import Point
 
+# M3 screws for attaching lid
+m3_tap=2.5
+m3_head_diameter=6
+m3_head_depth=3
+m3_passthrough=3.5
+
+# Fastener dimensions
+fastener_width = 11
+fastener_height = 3.5
+fastener_length = 20
+
+# NEMA 17 stepper motor
+stepper_motor_size=42
+
+# Case
 slant_degree=15.0
 thickness=20
 rod_thickness=15.2
 loop_thickness=1.5
 wall_width=1.6
-stepper_motor_size=42
 lid_thicknesss = 5
+
 offset=9
 part_thinkness=20
 gear_thinkness=10
 large_gear_diameter=8.5
-m3_tap=2.5
-m3_head_diameter=6
-m3_head_depth=3
-m3_passthrough=3.5
-#m_hole_diameter=6
-#m_hole_depth=3
+
 
 gap = stepper_motor_size * math.sin(math.radians(slant_degree)) / math.sin(math.radians(90-slant_degree))
 width = math.sqrt(gap**2 + stepper_motor_size**2 - 2*gap*stepper_motor_size*math.cos(math.radians(90)))
@@ -37,6 +47,7 @@ angle=40
 outer_ring_diameter=rod_thickness+2*loop_thickness
 center_x=end_x-math.cos(math.radians(angle))*outer_ring_diameter/2
 center_y=end_y-math.sin(math.radians(angle))*outer_ring_diameter/2
+gear_gap=0.2
 
 def findRodInter(n_x, n_y):
     p = Point(center_x, center_y)
@@ -74,7 +85,6 @@ def createOutline(ex_amount):
     base = base.edges('|Z and >Y').fillet(outer_fillets)
     base = base.edges('|Z and <X').fillet(outer_fillets)
     base = base.edges('|Z').edges('<<Y[-2]').fillet(5)
-
     return base
 
 lid = createOutline(-lid_thicknesss).translate((0,0,part_thinkness))
@@ -101,7 +111,6 @@ lid = lid.add(copy)
 lid = lid.faces('>Z[1]').workplane().center(stepper_center[0], -stepper_center[1]-offset-loop_thickness).circle(5).extrude(lid_thicknesss-wall_width)
 lid = lid.faces('>Z[0]').workplane().circle(5/2).cutThruAll()
 
-gear_gap=0.2
 base = base.faces('<Z[1]').workplane().center(21,20.15).circle(26.5).cutBlind(-gear_thinkness-gear_gap)
 t=11/2
 base = base.faces('<Z[2]').workplane().hLine(t, forConstruction=True).threePointArc((-t,-t/2),(0,t)).polarLine(t, -slant_degree).close().extrude(-lid_thicknesss+wall_width)
@@ -114,9 +123,6 @@ base = base.faces('<<Y[-1]').workplane().center(-5,0).circle(6.5/2).cutBlind(-t-
 base = base.faces('<<Y[-1]').workplane().circle(8.5/2).cutBlind(-t-mount_gap)
 
 # Fastener
-fastener_width = 11
-fastener_height = 3.5
-fastener_length = 20
 base = base.faces('<<Y[-1]').workplane().circle((fastener_width+1)/2).cutBlind(-4)
 fastener = base.faces('<<Y[-4]').workplane().circle(fastener_width/2).extrude(4.5+fastener_height, combine=False)
 fastener = fastener.faces('<<Y[-1]').workplane().center(-fastener_length,0).line(20,-fastener_width/2).vLine(fastener_width).close().extrude(-fastener_height)