From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Sun, 10 May 2020 21:20:13 +0000 (+0100)
Subject: mic-table-clamp: fixes from Demo
X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=reprap-play.git;a=commitdiff_plain;h=8b74f613e006ef0281933c7723f64748dc01d216

mic-table-clamp: fixes from Demo

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
---

diff --git a/mic-table-clamp.scad b/mic-table-clamp.scad
index 09624f0..cac94b7 100644
--- a/mic-table-clamp.scad
+++ b/mic-table-clamp.scad
@@ -38,7 +38,7 @@ clamp_max_table_th = 35;
 
 clamp_hole_dia = thread_nom + 0.30;
 
-clamp_reg_clear_x = 6;
+clamp_reg_clear_x = 2.5;
 clamp_reg_clear_y = 0.75; // each side
 clamp_reg_extra_x = 4;
 
@@ -61,7 +61,7 @@ $test= true;
 
 wingnut_cnr = wingnut_wing_th/2 -0.1;
 
-clamp_reg_bot_x_min = stem_base_dia/2 + clamp_reg_clear_x - clamp_reg_sz2;
+clamp_reg_bot_x_min = -stem_base_dia/2 -clamp_reg_clear_x -clamp_reg_sz2;
 
 module OurThread(l){
   translate([0,0,-0.01])
@@ -141,8 +141,8 @@ module ClampTop(){ ////toplevel
       for (m=[0,1]){
 	mirror([0,m,0])
 	  translate([0, clamp_reg_sz2/2 + clamp_reg_clear_y, 0])
-	  rectfromto([-clamp_reg_bot_x_min - clamp_reg_extra_x, 0 ],
-		     [0,                            clamp_reg_sz1 ]);
+	  rectfromto([clamp_reg_bot_x_min - clamp_reg_extra_x, 0 ],
+		     [0,                           clamp_reg_sz1 ]);
       }
       ClampHolePlan();
     }
@@ -169,15 +169,15 @@ module ClampBot(){ ////toplevel
   }
   translate([0, 0, clamp_bot_th]) {
     linextr(-clamp_reg_sz2, clamp_max_table_th+clamp_reg_sz2) {
-      translate([-clamp_reg_bot_x_min, 0]) {
+      translate([clamp_reg_bot_x_min, 0]) {
 	rectfromto([ 0,             -clamp_reg_sz2/2 ],
 		   [ clamp_reg_sz2, +clamp_reg_sz2/2 ]);
       }
     }
     linextr(-clamp_reg_sz2, 0) {
       difference(){
-	rectfromto([ -clamp_reg_bot_x_min, -clamp_reg_sz2/2 ],
-		   [  0,                   +clamp_reg_sz2/2 ]);
+	rectfromto([ clamp_reg_bot_x_min, -clamp_reg_sz2/2 ],
+		   [  0,                  +clamp_reg_sz2/2 ]);
 	ClampHolePlan();
       }
     }