diff --git a/Baller.scad b/Baller.scad
index 9265143..bb400c2 100644
--- a/Baller.scad
+++ b/Baller.scad
@@ -1,29 +1,106 @@
-use <inserts.scad>
-use <threads.scad>
+
+include <BOSL/constants.scad>
+use <BOSL/shapes.scad>
+use <BOSL/transforms.scad>
+use <BOSL/threading.scad>
+
+use <inserts/inserts.scad>
+use <threads/threads.scad>
 
 
-$fa = ($preview) ? 12 : 1;
-$fs = ($preview) ?  2 : 1;
 $incolor = true;
 
 // Config
 BallDiameter  = 65;
-BallClearance = 2;
-BallSealWidth = 3;
-PlateLip      = 2;
+BallClearance = 4;
+BallSealWidth = 6;
+PlateLip      = 4;
 PlateDiameter = BallDiameter + 2*(BallClearance + BallSealWidth + PlateLip);
 PlateThick    = BallSealWidth/2 + 1;
+PlateSep = 0;
+
+/* [Render Options] */
+PreviewFA = 12;
+RenderFA = 1;
+PreviewFS = 2;
+RenderFS = .1;
+
+
+$fa = ($preview) ? PreviewFA : RenderFA;
+$fs = ($preview) ?  PreviewFS : RenderFS;
 
 //plate_full();
-PlateSep = 0;
 pd = PlateDiameter+PlateSep;
 pt = PlateThick;
+wt=BallSealWidth;
 echo("PD=", pd);
-translate([pd+5,0]) plate_top(thickness=pt);
-translate([0,pd+5]) plate_mid(thickness=pt);
-translate([pd+5,pd+5]) cap_compression(PlateDiameter, pt);
-translate([-(pd+5),0]) mold_wall(PlateDiameter, pt, BallDiameter);
-translate([0,-(pd+5)]) plate_under();
+//translate([pd+15,0]) plate_top(thickness=pt);
+//translate([0,pd+15]) plate_mid(thickness=pt);
+//translate([pd+15,pd+i15]) cap_compression(PlateDiameter, pt+8);
+//translate([-(pd+15),0]) mold_wall(PlateDiameter, pt, BallDiameter);
+//bottom(pd=pd);
+//translate([0,-(pd+5)]) plate_under();
+//ball(bottom=false);
+
+
+/*{
+	bd=BallDiameter;
+	bsd=BallSealWidth;
+	gap=10;
+	w=6;
+	l = 2*(bd+gap+bsd)+gap+w;
+
+	p4_bottom();
+	down(12)fwd(l/2 - gap/2 + 3) p4_wall(align=V_TOP);
+} */
+
+//xrot(90)p4_wall();
+p4_top();
+module p4_seal_corner(bd=BallDiameter, bsd=BallSealWidth, gap=10) {
+	translate([gap/2+bd/2,gap/2+bd/2,0]) rotate_extrude(angle=90)
+		translate([(bd+bsd+gap)/2,0,0])
+			circle(d=bsd);
+}
+
+module p4_top(bd=BallDiameter, bsd=BallSealWidth, gap=10) {
+	xspread(l=bd+gap, n=2)yspread(l=bd+gap, n=2) ball(bottom=false);
+	//cyl(h=bd/2, d1=20, d2=10, align=V_TOP);
+	difference() {
+		cuboid([2*(bd+gap+bsd)+gap,2*(bd+gap+bsd)+gap,bsd/2+1], fillet=5, edges=EDGES_Z_ALL,align=V_BOTTOM);
+		p4_seal_corner();
+		xspread(l=2*(bd+gap+bsd/2)) cyl(h=bd+gap, d=bsd, orient=ORIENT_Y);
+		yspread(l=2*(bd+gap+bsd/2)) cyl(h=bd+gap, d=bsd, orient=ORIENT_X);
+		rot(90)p4_seal_corner();
+		rot(180)p4_seal_corner();
+		rot(270)p4_seal_corner();
+	}
+}
+
+module p4_bottom(bd=BallDiameter, bsd=BallSealWidth, gap=10) {
+	xspread(l=bd+gap, n=2)yspread(l=bd+gap, n=2) ball(bottom=false);
+	xspread(l=2*(bd+gap+bsd/2)) cyl(h=bd+gap, d=bsd, orient=ORIENT_Y);
+	yspread(l=2*(bd+gap+bsd/2)) cyl(h=bd+gap, d=bsd, orient=ORIENT_X);
+	p4_seal_corner();
+	rot(90)p4_seal_corner();
+	rot(180)p4_seal_corner();
+	rot(270)p4_seal_corner();
+	cuboid([2*(bd+gap+bsd)+gap,2*(bd+gap+bsd)+gap,bsd/2+1], fillet=5, edges=EDGES_Z_ALL,align=V_BOTTOM);
+	
+}
+
+module p4_wall(w=6, bd=BallDiameter, bsd=BallSealWidth, gap=10, orient=ORIENT_X, align=V_CENTER) {
+	h = bd + bsd;
+	l = 2*(bd+gap+bsd)+gap+w/2;
+	orient_and_align([l,w,h], align=align, orient=orient, orig_orient=ORIENT_X)
+	difference() {
+		left(w)cuboid([l, w, h], fillet=1);
+		zspread(n=3, l=h-gap) {
+			yrot(90)up((l-w)/2)insert_clear(bl=10, bz=-10);
+			xrot(90)down(w+4)left((l)/2+3)insert_clear(bl=10, sh=.2, bz=0);
+		}
+		right(0)back(w/2)down(h/2- 10) cuboid([l,w, bsd/2+1.2]);
+	}
+}
 
 module stack(pt, ed=10 ,expand=false) {
 	d = expand ? pt + ed : pt+.01;
@@ -32,37 +109,54 @@ module stack(pt, ed=10 ,expand=false) {
 	}
 }
 
-module mold_wall(pd, pt, bd, sd=4, wt=3) {
+module mold_wall(pd, pt, bd, sd=4, wt=3, $incolor=$incolor) {
 	threadc = $incolor ? "green" : undef;
 	ptol = 2;
 	wh = bd/2+pt+sd;
+	od = pd + 2*wt;
 	difference() {
 		union() {
-			translate([0,0,2]) cylinder(d=pd, h=wh);
-			color(threadc) metric_thread(
-				diameter=pd+ptol,
-				length=4.01,
-				internal=false);
+			translate([0,0,6]) cylinder(d=od, h=wh);
+			color(threadc) threaded_rod(
+				d=od,
+				l=6,
+				internal=false, align=V_TOP); 
+			//color(threadc) metric_thread(
+			//	diameter=pd+ptol,
+			//	length=4.01,
+			//	internal=false);
 		}
-		translate([0,0,-.1]) 
-			cylinder(d1=pd-wt, d2=pd-wt-3, h=wh+4+.2);
+		translate([0,0,-2.1+pt]) 
+			cylinder(d1=pd-wt, d2=pd-wt-3, h=wh+6+.2);
+		down(01)cylinder(d=pd, h=pt+.01);
 	}
 		
 }
 
-module cap_compression(pd, pt, th=7, wt=3, register=true, key=true) {
-	td=pd+2;
+module bottom(pd, wt=3, wh=10, fh=2) {
+	id = pd + 2*wt + .4;
+	od = id + 2*wt;
+
 	difference() {
-		cylinder(d=td+wt, h=th);
-		translate([0,0,-.01]) cylinder(d=3, h=5);
-		translate([0,0,-.01]) cylinder(d=6, h=3);
-		translate([0,0,2*pt]) metric_thread(diameter=td,length=th+.01, internal=true);
+		cylinder(d=od, h=wh);
+		translate([0,0,fh]) cylinder(d=id, h=wh);
+	}	
+}
+
+module cap_compression(pd, pt, th=9, wt=3, register=true, key=false) {
+	td=pd+2*wt;
+	difference() {
+		cylinder(d=td+wt, h=th+wt/2);
+		translate([0,0,th-5-.01]) cylinder(d=3, h=5);
+		translate([0,0,th-1+.01]) cylinder(d=6, h=3);
+		//translate([0,0,2*pt]) metric_thread(diameter=td,length=th+.01, internal=true);
+		translate([0,0,th-1]) threaded_rod(d=td,l=th+.01, internal=true);
 		if (register && ! key)
-			translate([0,0,2*pt]) register_seal();
-			
+			translate([0,0,2*pt-2]) register_seal();
+		cylinder(d=pd-5,h=10);	
 	}
 	if (register && key)
-		translate([0,0,2*pt]) register_seal();
+		translate([0,0,2*pt-2]) register_seal();
 }
 
 module plate(
@@ -74,19 +168,30 @@ module plate(
 }
 
 module plate_mid(thickness  = 1) {
+	th=thickness;
 	translate([0,0,thickness]) { 
-		ball(bottom=false);
-		plate(thickness=thickness);
-		register_seal();
+		//ball(bottom=false);
+		difference() {
+			union() {
+			plate(thickness=thickness);
+			register_seal();
+			}
+			translate([0,0,-thickness]) cylinder(h=10, d=4);
+			ranslate([0,0,-th+.01]) cylinder(d=3, h=5);
+			translate([0,0,-th]) cylinder(d=6, h=3);
+		}
 	}
 }
 
 module plate_top(thickness  = 1) {
 	translate([0,0,thickness]) { 
-		ball(bottom=false);
+		//ball(bottom=false);
 		difference() {
 			plate(thickness=thickness);
 			register_seal();
+			translate([0,0,-thickness]) cylinder(h=10, d=4);
+			translate([0,0,-th/2]) cylinder(d=3, h=5);
+			translate([0,0,-thickness-.01])   cylinder(d=6, h=3);
 		}
 	}
 }
@@ -124,9 +229,9 @@ module ball(
 					rotate([0,rot,0])
 						thread_insertM25($die=true);
 			}
-			if (! bottom) 
-				rotate([0,0,0]) 
-					thread_insertM25($die=true);
+			//if (! bottom) 
+			//	rotate([0,0,0]) 
+			//		thread_insertM25($die=true);
 		}
 	}
 }
diff --git a/part_cap2.scad b/part_cap2.scad
index 42cbc3a..a3e98df 100644
--- a/part_cap2.scad
+++ b/part_cap2.scad
@@ -5,7 +5,7 @@ $fs = ($preview) ?  2 : 1;
 $fn = undef;
 
 // Config
-BallDiameter  = 65;
+BallDiameter  = 79;
 BallClearance = 2;
 BallSealWidth = 2;
 PlateLip      = 2;
diff --git a/sprue.scad b/sprue.scad
index 56675d9..a2babe3 100644
--- a/sprue.scad
+++ b/sprue.scad
@@ -3,7 +3,11 @@ $fa = $preview ? 12 : 4;
 $fs = $preview ? 2 : .4;
 
 difference() {
-	cylinder(d1=4.5, d2=8, h=10.5);
+	union() {
+		cylinder(d1=4.5, d2=8, h=10.5);
+		translate([0,0,10.5]) cylinder(d=8, h=9);
+	}
 	translate([0,0,-.5]) cylinder(d=3, h=11);
 	translate([0,0,10]) cylinder(d=4.5, h=1);
+	translate([0,0,10]) cylinder(d=6, h=11);
 }