Glass Tips from Verrier

There are several ways to determine the volume of a mould.  Calculation of the weight of glass needed Calculate the amount in the...

Credit: The Crucible.com It is frequent to have castings from frit with spikes, needles, or prickles around the edges.   Causes These sp...

  Scoring the circle Setting out the centre point and radius of the circle Set up a centre point. You can do it by estimating. But it is m...

Often there is uncertainty about which way the cutting head should be placed on the bar of the circle cutter to get the right diameter.  ...

When using larger core drills, it is not possible to see the centre point for drilling. So a different arrangement for marking the place...

Measuring rectangular openings Timber and metal openings can vary in their dimensions. So measure each opening at t...

When building leaded glass panels to be placed in existing wooden frames, you need to make sure the panel is as square as the opening in t...

When the opening is in stone, slight variations occur in the process of taking a template. The main difference is that the rebates are conc...

Irregular openings such as trefoils and other tracery need to have templates taken with consideration on how the final panel can be put into...

Round headed openings can be considered as a special case of a circle. The horizontal you must find is the shoulder of the window. This is ...

Occasionally the window is circular and sometimes an oval. In both cases a template is important. The circle rarely is exact. Take the tem...

Irregular rectangles If you have found or can see that the opening is not a true rectangle and cannot determine where any right angles are, ...

If you have an irregular opening, it may be best to take a tracing of the opening. Usually this will be in a larger opening and so a helper ...

1 - Measure at both the top and bottom for width. 2 - Measure at the left and right sides for height. If it is a tall or wide opening measur...

There are a number of measurements that are critical for a good design and a sound installation of window panels. 1. Tight Size : This is th...