From 3bb55c41a534a95d01d04e127881b7f26da96dd8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Maciej=20Ma=C5=82ecki?= <me@mmalecki.com>
Date: Mon, 11 Apr 2022 01:15:35 +0200
Subject: [PATCH] Fix creating a named Allen key slot

`assign` is deprecated, and this particular use of it appears broken on
newer OpenSCAD versions.
We usually pass in the dimensions explicitly, therefore don't hit this
code path.
---
 cyl_head_bolt.scad | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/cyl_head_bolt.scad b/cyl_head_bolt.scad
index d78d19d..37eff3e 100644
--- a/cyl_head_bolt.scad
+++ b/cyl_head_bolt.scad
@@ -244,9 +244,11 @@ module key_slot(
 { // -----------------------------------------------
 
 	if (name!="none")
-		assign(df = _get_fam(name), 
-		       k = df[_NB_F_KEY],
-		       l = df[_NB_F_KEY_DEPTH]);
+	{
+		    df = _get_fam(name);
+		    k = df[_NB_F_KEY];
+		    l = df[_NB_F_KEY_DEPTH];
+	}
 	
 	translate([0,0,-(l+cll)/2]) hexaprism(ri=(k+clk)/2, h=(l+cll));
 }