diff --git a/src/browser/renderer/BaseRenderLayer.ts b/src/browser/renderer/BaseRenderLayer.ts
index 39819353..3d0128fe 100644
--- a/src/browser/renderer/BaseRenderLayer.ts
+++ b/src/browser/renderer/BaseRenderLayer.ts
@@ -412,7 +412,7 @@ export abstract class BaseRenderLayer implements IRenderLayer {
     if (!lineSegments) {
       return false;
     }
-    const xOffset = x * this._scaledCellWidth + this._scaledCharLeft;
+    const xOffset = x * this._scaledCellWidth;
     const verticalCenter = Math.round(this._scaledCellHeight / 2);
 
     const yOffset = y * this._scaledCellHeight + this._scaledCharTop + verticalCenter;
@@ -420,10 +420,10 @@ export abstract class BaseRenderLayer implements IRenderLayer {
     this._ctx.strokeStyle = this._ctx.fillStyle;
 
     // increase # of pixels when font size incremented by 10
-    this._ctx.lineWidth = Math.max(Math.floor(this._optionsService.options.fontSize / 10), 1);
+    // this._ctx.lineWidth = Math.max(Math.floor(this._optionsService.options.fontSize / 10), 1);
     const horizontalCenter = Math.round(this._scaledCellWidth / 2);
     // yOffset - verticalCenter
-    draw(this._ctx, char, xOffset, y * this._scaledCellHeight + this._scaledCharTop, this._scaledCellWidth, this._scaledCellHeight);
+    draw(this._ctx, char, xOffset, y * this._scaledCellHeight, this._scaledCellWidth, this._scaledCellHeight);
     return true;
 
 
diff --git a/src/browser/renderer/BoxAndBlockCharacters.ts b/src/browser/renderer/BoxAndBlockCharacters.ts
index 379bc2d7..0bbc487f 100644
--- a/src/browser/renderer/BoxAndBlockCharacters.ts
+++ b/src/browser/renderer/BoxAndBlockCharacters.ts
@@ -372,6 +372,7 @@ export function draw(ctx: CanvasRenderingContext2D, c: string, xOffset: number,
   }
   const lineWidth = ctx.lineWidth;
   const instructions = entry.split(' ');
+
   for (const instruction of instructions) {
     const type = instruction[0];
     const spec = instructionMap[type];
@@ -379,17 +380,31 @@ export function draw(ctx: CanvasRenderingContext2D, c: string, xOffset: number,
     if (!coords[0] || !coords[1]) {
       continue;
     }
-    const numX = Number.parseFloat(coords[0].toString()) || Number.parseInt(coords[0].toString());
-    const numY = Number.parseFloat(coords[1].toString()) || Number.parseInt(coords[1].toString());
+    let numX = Number.parseFloat(coords[0].toString()) || Number.parseInt(coords[0].toString());
+    let numY = Number.parseFloat(coords[1].toString()) || Number.parseInt(coords[1].toString());
     if (instruction.endsWith(THICK)) {
-      ctx.lineWidth = lineWidth * 2;
+      ctx.lineWidth = window.devicePixelRatio * 2;
     } else {
-      ctx.lineWidth = lineWidth;
+      ctx.lineWidth = window.devicePixelRatio;
     }
-    spec(ctx, xOffset + Math.round((numX) * cellWidth), yOffset + ((numY)) * cellHeight);
+
+    numX *= cellWidth;
+    numY *= cellHeight;
+
+    if (numY !== 0) {
+      numY = clamp(Math.round(numY + .5) - .5, cellHeight, 0);
+    }
+    if (numX !== 0) {
+      numX = clamp(Math.round(numX + .5) - .5, cellWidth, 0);
+    }
+    spec(ctx, xOffset + numX, yOffset + numY);
   }
 }
 
+function clamp(value: number, max: number, min: number = 0): number {
+  return Math.max(Math.min(value, max), min);
+}
+
 const instructionMap: { [index: string]: any } = {
   'M': (ctx: CanvasRenderingContext2D, x: number, y: number) => {
     ctx.beginPath();