diff --git a/LEGO_wtolerance.scad b/LEGO_wtolerance.scad
old mode 100644
new mode 100755
index ee03dea..651bf9c
--- a/LEGO_wtolerance.scad
+++ b/LEGO_wtolerance.scad
@@ -10,13 +10,13 @@
 block_width = 2;
 
 // Length of the block, in studs
-block_length = 6;
+block_length = 2;
 
 // Height of the block. A ratio of "1" is a standard LEGO brick height; a ratio of "1/3" is a standard LEGO plate height; "1/2" is a standard DUPLO plate.
-block_height_ratio = 1; // [.33333333333:1/3, .5:1/2, 1:1, 2:2, 3:3, 4:4, 5:5, 6:6, 7:7, 8:8, 9:9, 10:10]
+block_height_ratio = 1/3; // [.33333333333:1/3, .5:1/2, 1:1, 2:2, 3:3, 4:4, 5:5, 6:6, 7:7, 8:8, 9:9, 10:10]
 
 // What type of block should this be? For type-specific options, see the "Wings," "Slopes," "Curves", and "Baseplates" tabs.
-block_type = "round"; // [brick:Brick, tile:Tile, wing:Wing, slope:Slope, curve:Curve, baseplate:Baseplate, center:Center Stud]
+block_type = "round-tile"; // [brick:Brick, tile:Tile, wing:Wing, slope:Slope, curve:Curve, baseplate:Baseplate, center:Center Stud, round: Round Brick, round-tile: Round Brick Tile]
 
 // What brand of block should this be? LEGO for regular LEGO bricks, Duplo for the toddler-focused larger bricks.
 block_brand = "lego"; // [lego:LEGO, duplo:DUPLO]
@@ -270,7 +270,7 @@ module block(
                      */
                     
                     // The mass of the block.
-                    if( type != "round") {
+                    if( type != "round" && type != "round-tile") {
                         difference() {
                             cube([overall_length, overall_width, real_height * block_height]);
                             translate([wall_thickness,wall_thickness,-roof_thickness]) cube([overall_length-wall_thickness*2,overall_width-wall_thickness*2,block_height*real_height]);
@@ -297,7 +297,7 @@ module block(
                     
                     
                     // The studs on top of the block (if it's not a tile).
-                    if ( type != "tile" && type != "center" && !real_dual_bottom && type != "round") {
+                    if ( type != "tile" && type != "center" && !real_dual_bottom && type != "round" && type != "round-tile") {
                         translate([stud_diameter * stud_rescale / 2, stud_diameter * stud_rescale / 2, 0]) 
                         translate([(overall_length - total_studs_length)/2, (overall_width - total_studs_width)/2, 0]) {
                             for (ycount=[0:real_width-1]) {