From ba4be74f8a4ad1cbecf057dbd45936c4f790303c Mon Sep 17 00:00:00 2001
From: Christian Colglazier <christian@cacolglazier.com>
Date: Sat, 21 May 2022 13:42:01 -0400
Subject: [PATCH] Basic fastener

---
 follow_focus.py  | 18 ++++++++++++++++--
 requirements.txt |  1 +
 2 files changed, 17 insertions(+), 2 deletions(-)

diff --git a/follow_focus.py b/follow_focus.py
index 89044e0..532419c 100644
--- a/follow_focus.py
+++ b/follow_focus.py
@@ -21,8 +21,9 @@ large_gear_diameter=8.5
 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)))
 
-d=20
+d=25
 t=7
+mount_gap=2
 
 end_x=gap+stepper_motor_size-5
 end_y=-4.5
@@ -56,7 +57,7 @@ def createOutline(ex_amount):
     n_x=base.val().endPoint().toTuple()[0]
     n_y=base.val().endPoint().toTuple()[1]
     coor_x, coor_y = findRodInter(n_x, n_y)
-    last_x, last_y = findRodInter(n_x, n_y+2)
+    last_x, last_y = findRodInter(n_x, n_y+mount_gap)
 
     base = base.lineTo(coor_x, coor_y)
     base = base.threePointArc((center_x+rod_thickness/2, center_y), (last_x, last_y))
@@ -110,7 +111,19 @@ m_hole_diameter=6
 m_hole_depth=3
 lid = lid.faces('<Z[0]').workplane().circle(m_hole_diameter/2).cutBlind(-m_hole_depth)
 
+# Threaded insert
+base = base.faces('<<Y[-1]').workplane().center(-5,0).circle(6.5/2).cutBlind(-t-mount_gap*2-6)
+base = base.faces('<<Y[-1]').workplane().circle(8.5/2).cutBlind(-t-mount_gap)
+# Hex mount point
+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)
+fastener = fastener.faces('<<Y[-1]').workplane().circle(fastener_width/6).extrude(-fastener_height)
 
+# Gears
 mod=0.8
 l_gear = cq.Workplane('XY').gear(SpurGear(module=mod,
                                           teeth_number=63,
@@ -128,6 +141,7 @@ s_gear = s_gear.translate((stepper_center[0],stepper_center[1]+offset+loop_thick
 # Render
 show_object(base, name='Follow Focus Base')
 show_object(lid, name='Follow Focus Lid')
+show_object(fastener, name='Follow Focus Fastener')
 show_object(l_gear, name='Follow Focus Large Gear')
 show_object(s_gear, name='Follow Focus Small Gear')
 
diff --git a/requirements.txt b/requirements.txt
index 7f2f6ba..4cf950f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,2 +1,3 @@
 git+https://github.com/meadiode/cq_gears.git@main
+git+https://github.com/gumyr/cq_warehouse.git#egg=cq_warehouse
 shapely