diff --git a/editor/src/editor/ed_error.rs b/editor/src/editor/ed_error.rs
index 02da4961b5..e9b8ce15e6 100644
--- a/editor/src/editor/ed_error.rs
+++ b/editor/src/editor/ed_error.rs
@@ -59,13 +59,13 @@ pub fn print_err(err: &EdError) {
     }
 }
 
-pub fn print_ui_err(err: &UIError) {
-    eprintln!("{}", format!("{}", err).truecolor(255, 0, 0));
+// pub fn print_ui_err(err: &UIError) {
+//     eprintln!("{}", format!("{}", err).truecolor(255, 0, 0));
 
-    if let Some(backtrace) = ErrorCompat::backtrace(err) {
-        eprintln!("{}", color_backtrace(backtrace));
-    }
-}
+//     if let Some(backtrace) = ErrorCompat::backtrace(err) {
+//         eprintln!("{}", color_backtrace(backtrace));
+//     }
+// }
 
 fn color_backtrace(backtrace: &snafu::Backtrace) -> String {
     let backtrace_str = format!("{}", backtrace);
diff --git a/editor/src/editor/main.rs b/editor/src/editor/main.rs
index 62b032a9df..fd61f79288 100644
--- a/editor/src/editor/main.rs
+++ b/editor/src/editor/main.rs
@@ -1,7 +1,7 @@
 use super::keyboard_input;
 use crate::editor::{
     config::Config,
-    ed_error::{print_err, print_ui_err},
+    ed_error::{print_err},
     mvc::{app_model::AppModel, app_update, ed_model},
     theme::EdTheme,
 };
@@ -14,7 +14,6 @@ use crate::graphics::{
     primitives::rect::Rect,
     style::CODE_TXT_XY,
 };
-use crate::ui::{text::text_pos::TextPos, ui_error::UIResult};
 use crate::editor::resources::strings::NOTHING_OPENED;
 use super::util::slice_get;
 use crate::lang::{pool::Pool};
@@ -275,35 +274,26 @@ fn run_event_loop(file_path_opt: Option<&Path>) -> Result<(), Box<dyn Error>> {
 
                     let text_and_rects_res = 
                         super::render_ast::expr2_to_wgpu(
-                            &mut ed_model.markup_root,
+                            ed_model,
                             &render_ast_arena,
-                            &mut ed_model.module.env,
-                            &ed_model.module.ast_root,
                             &size,
                             CODE_TXT_XY.into(),
                             &config,
-                            ed_model.glyph_dim_rect_opt.unwrap() // TODO remove unwrap()
                         );
 
                     match text_and_rects_res {
                         Ok((text_section, rects)) => {
-
+                            
                             glyph_brush.queue(text_section);
 
-                            match draw_all_rects(
+                            draw_all_rects(
                                 &rects,
                                 &mut encoder,
                                 &frame.view,
                                 &gpu_device,
                                 &rect_resources,
                                 &ed_theme,
-                            ) {
-                                Ok(()) => (),
-                                Err(e) => {
-                                    print_ui_err(&e);
-                                    begin_render_pass(&mut encoder, &frame.view, &ed_theme);
-                                }
-                            }
+                            )
                         },
                         Err(e) => print_err(&e)
                     }
@@ -345,13 +335,13 @@ fn run_event_loop(file_path_opt: Option<&Path>) -> Result<(), Box<dyn Error>> {
 }
 
 fn draw_all_rects(
-    all_rects: &Vec<Rect>,
+    all_rects: &[Rect],
     encoder: &mut CommandEncoder,
     texture_view: &TextureView,
     gpu_device: &wgpu::Device,
     rect_resources: &RectResources,
     ed_theme: &EdTheme,
-) -> UIResult<()> {
+) {
     let rect_buffers = create_rect_buffers(gpu_device, encoder, all_rects);
 
     // block necessary for borrowing encoder
@@ -369,8 +359,6 @@ fn draw_all_rects(
     }
 
     begin_render_pass(encoder, texture_view, ed_theme);
-
-    Ok(())
 }
 
 fn begin_render_pass<'a>(
@@ -394,40 +382,40 @@ fn begin_render_pass<'a>(
     })
 }
 
-fn queue_editor_text(
-    size: &PhysicalSize<u32>,
-    editor_lines: &str,
-    caret_pos: TextPos,
-    config: &Config,
-    glyph_brush: &mut GlyphBrush<()>,
-) {
-    let area_bounds = (size.width as f32, size.height as f32).into();
+// fn queue_editor_text(
+//     size: &PhysicalSize<u32>,
+//     editor_lines: &str,
+//     caret_pos: TextPos,
+//     config: &Config,
+//     glyph_brush: &mut GlyphBrush<()>,
+// ) {
+//     let area_bounds = (size.width as f32, size.height as f32).into();
 
-    let code_text = Text {
-        position: CODE_TXT_XY.into(),
-        area_bounds,
-        text: editor_lines,
-        size: config.code_font_size,
-        ..Default::default()
-    };
+//     let code_text = Text {
+//         position: CODE_TXT_XY.into(),
+//         area_bounds,
+//         text: editor_lines,
+//         size: config.code_font_size,
+//         ..Default::default()
+//     };
 
-    let s = format!("Ln {}, Col {}", caret_pos.line, caret_pos.column);
-    let text = s.as_str();
+//     let s = format!("Ln {}, Col {}", caret_pos.line, caret_pos.column);
+//     let text = s.as_str();
 
-    let caret_pos_label = Text {
-        position: ((size.width as f32) - 150.0, (size.height as f32) - 40.0).into(),
-        area_bounds,
-        color: config.ed_theme.ui_theme.text,
-        text,
-        size: 25.0,
-        ..Default::default()
-    };
+//     let caret_pos_label = Text {
+//         position: ((size.width as f32) - 150.0, (size.height as f32) - 40.0).into(),
+//         area_bounds,
+//         color: config.ed_theme.ui_theme.text,
+//         text,
+//         size: 25.0,
+//         ..Default::default()
+//     };
 
-    queue_text_draw(&caret_pos_label, glyph_brush);
+//     queue_text_draw(&caret_pos_label, glyph_brush);
 
-    // TODO convert to ast and render with render_ast::render_expr2
-    queue_text_draw(&code_text, glyph_brush);
-}
+//     // TODO convert to ast and render with render_ast::render_expr2
+//     queue_text_draw(&code_text, glyph_brush);
+// }
 
 fn queue_no_file_text(
     size: &PhysicalSize<u32>,
diff --git a/editor/src/editor/markup.rs b/editor/src/editor/markup.rs
index 8eecd68a37..028bd13dcf 100644
--- a/editor/src/editor/markup.rs
+++ b/editor/src/editor/markup.rs
@@ -1,4 +1,4 @@
-
+#![allow(dead_code)]
 
 use super::syntax_highlight::HighlightStyle;
 use bumpalo::Bump;
@@ -25,6 +25,7 @@ pub enum MarkupNode {
     }
 }
 
+
 #[derive(Debug)]
 pub enum Attribute {
     Caret {
diff --git a/editor/src/editor/mvc/app_model.rs b/editor/src/editor/mvc/app_model.rs
index 55f808b232..e774259191 100644
--- a/editor/src/editor/mvc/app_model.rs
+++ b/editor/src/editor/mvc/app_model.rs
@@ -1,3 +1,6 @@
+
+#![allow(dead_code)]
+
 use super::ed_model::EdModel;
 use crate::editor::ed_error::{
     print_err,
diff --git a/editor/src/editor/render_ast.rs b/editor/src/editor/render_ast.rs
index 6f7a4d1360..8042fa4d32 100644
--- a/editor/src/editor/render_ast.rs
+++ b/editor/src/editor/render_ast.rs
@@ -4,6 +4,7 @@ use crate::editor::{
     util::map_get,
 };
 use super::markup::{MarkupNode, expr2_to_markup};
+use super::mvc::ed_model::EdModel;
 use crate::graphics::colors::RgbaTup;
 use crate::graphics::primitives::text as gr_text;
 use crate::graphics::primitives::rect::Rect;
@@ -11,26 +12,26 @@ use bumpalo::Bump;
 use cgmath::Vector2;
 use std::collections::HashMap;
 use winit::dpi::PhysicalSize;
+use snafu::OptionExt;
+use crate::ui::ui_error::{MissingGlyphDims};
 
 use crate::{
     editor::config::Config,
     graphics::colors,
-    lang::{ast::Expr2, expr::Env},
 };
 
 pub fn expr2_to_wgpu<'a>(
-    markup_root: &'a mut MarkupNode,
+    ed_model: &'a mut EdModel,
     arena: &'a Bump,
-    env: &mut Env<'a>,
-    expr2: &Expr2,
     size: &PhysicalSize<u32>,
     position: Vector2<f32>,
     config: &Config,
-    glyph_dim_rect: Rect,
 ) -> EdResult<(wgpu_glyph::Section<'a>, Vec<Rect>)> {
-    *markup_root = expr2_to_markup(arena, env, expr2);
+    ed_model.markup_root =  expr2_to_markup(arena, &mut ed_model.module.env, &ed_model.module.ast_root);
+    
+    let glyph_dim_rect = ed_model.glyph_dim_rect_opt.context(MissingGlyphDims {})?;
 
-    build_code_graphics(markup_root, size, position, config, glyph_dim_rect)
+    build_code_graphics(&ed_model.markup_root, size, position, config, glyph_dim_rect)
 }
 
 pub fn build_code_graphics<'a>(
@@ -109,8 +110,8 @@ fn markup_to_wgpu_helper<'a>(
 
                 let hole_rect = Rect {
                     top_left_coords: ((*text_row as f32) * glyph_dim_rect.height, (*text_col as f32) * glyph_dim_rect.width).into(),
-                    width: glyph_dim_rect.width,
-                    height: glyph_dim_rect.height,
+                    width: glyph_dim_rect.width * 10.0,
+                    height: glyph_dim_rect.height * 10.0,
                     color: colors::WHITE,
                 };
                 rects.push(hole_rect);
diff --git a/editor/src/graphics/lowlevel/buffer.rs b/editor/src/graphics/lowlevel/buffer.rs
index 3b493ae33c..b7f8948c8d 100644
--- a/editor/src/graphics/lowlevel/buffer.rs
+++ b/editor/src/graphics/lowlevel/buffer.rs
@@ -95,7 +95,7 @@ pub struct RectBuffers {
 pub fn create_rect_buffers(
     gpu_device: &wgpu::Device,
     encoder: &mut wgpu::CommandEncoder,
-    rects: &Vec<Rect>,
+    rects: &[Rect],
 ) -> RectBuffers {
     let nr_of_rects = rects.len() as u64;
 
diff --git a/editor/src/ui/text/big_selectable_text.rs b/editor/src/ui/text/big_selectable_text.rs
index b39ce009a0..5b37e06886 100644
--- a/editor/src/ui/text/big_selectable_text.rs
+++ b/editor/src/ui/text/big_selectable_text.rs
@@ -1,5 +1,7 @@
 // Adapted from https://github.com/cessen/ropey by Nathan Vegdahl, licensed under the MIT license
 
+#![allow(dead_code)]
+
 use crate::ui::text::{
     caret_w_select::CaretWSelect,
     lines::{Lines, MutSelectableLines, SelectableLines},
diff --git a/editor/src/ui/text/caret_w_select.rs b/editor/src/ui/text/caret_w_select.rs
index 6668e7d462..8eb2790486 100644
--- a/editor/src/ui/text/caret_w_select.rs
+++ b/editor/src/ui/text/caret_w_select.rs
@@ -1,3 +1,6 @@
+
+#![allow(dead_code)]
+
 use super::selection::validate_selection;
 use super::selection::Selection;
 use super::text_pos::TextPos;
diff --git a/editor/src/ui/text/selection.rs b/editor/src/ui/text/selection.rs
index a67eea03e1..3eb0c2ca97 100644
--- a/editor/src/ui/text/selection.rs
+++ b/editor/src/ui/text/selection.rs
@@ -1,3 +1,6 @@
+
+#![allow(dead_code)]
+
 use super::lines::Lines;
 use super::text_pos::TextPos;
 use crate::ui::theme::UITheme;