Chicago School of Glass Art

Chicago's Glass Art Studio

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Ogden Avenue School

One of the projects that is being designed right now is for Ogden Avenue School.  The fun thing with this window is that the kids made all these fused pieces that will be placed in the window. Today Markay, Denise and Joshua cleaned up the fused projects and are now inspecting them in the picture. There is one fused tile that is obviously different from all the others and that is for a child of the class that has passed away.  We would like to make sure it stands out from the rest not just in design, but placement.  From there we will assemble then into a window with a few additions. Once its completed we will install the window on the main floor of the school in a transom. Keep watching as things progress with the Ogden Avenue School project.

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Bronze Metal Stops

Inside the Lane Tech Clock Tower there are bronze metal stops. These Bronze Metal Stops are helping to hold the glass from falling out and are placed on the inside and the outside of the clock tower.  In one area there is a missing bronze metal stop, so part of our job will be to manufacture a new one as a replacement. To accomplish the creation of a new stop we needed a model and what better place to get one, but to take one off the other clock faces.

We are using a method of reverse engineering with a laser to create the missing stop. Because the original Bronze Metal Stops were all cut by hand there are a lot of imperfections in all of them. With the ability to use a laser to create a template and computer program, it will allow us to pick up all those imperfections the original artisans left in the metal when they were originally cut.

The top picture you can see all the inside metal stop, the middle picture shows the stop we removed and the bottom picture shows the metal stop on the table of a laser scanner.


Taping Off Broken Glass

Inside glazing stop

Original Bronze Metal Stop


Laser Scan Stop

Laser Tracing the Original Stop


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Spring/Summer Hours Changes

Starting this week and running through the summer we will be changing our Friday hours to “By Appointment Only.”  Appointments will need to be scheduled in advance and will be made on availability only.  Please call the studio at 224-735-2376 to schedule your appointment or if you have further questions.  Our other hours will remain the same for the spring and summer.  Tuesdays and Saturdays 10 AM – 4 PM; Wednesdays and Thursdays 10 – 7 PM (9 PM if we have students for classes).  Just a reminder, if you wish to do studio time during the evening hours or on Saturdays  you must call ahead to book your space.

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Interesting Things At Lane Tech!

As you start doing work on restoring stained glass windows interesting things usually start popping up and the Lane Tech Clock Tower is not any different and is definitely providing us with an interesting item.  Look at the picture of two full size glass windows in the tower.  Take your time and scan back and forth between the two windows. What do you see? Not the broken and or missing pieces, but something else.

See it? The top picture is the West Face and the bottom picture is the North Face and it is the same glass. Notice how the West Face window has a violet tint and the North Face window is white. Both windows when they were installed were white and over the years the windows that got the most sun have turned a more violet color.

An interesting characteristic of some older glass is it contains manganese dioxide. Manganese has a tendency to turn different shades of purple or violet when exposed to the UV rays of the sun or to other ultra-violet sources. It is believed to be a photochemical reaction that is not completely comprehended.  Generally it is accepted that the ultra-violet light initiates an electron exchange between the manganese and iron which, changes the manganese compound into a form that causes the glass to turn purple.

Pretty cool!

North and West Window Comparison

West and North Window Comparison

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Lane Tech Clock Tower

Lane Tech

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We started to do our preliminary work at Lane Tech Clock Tower today.  Even though the glass is all one color it is set in place like stained glass. Today’s job was to create a log of the glass that is broken and missing, tape everything in place so when we remove the glass we can use it as a template for the new glass. After that we placed more tape on the glass, added a number and a letter ID and followed up with photos to create an archive of the windows.

The interesting part will be cutting the glass that is almost ¼” thick, but that won’t be done for several weeks yet because Kokomo Opalescent Glass Company, located in Kokomo, Indiana, is making the glass sheets for us and it will take about 4 weeks for it to arrive.

As things progress at Lane Tech Clock Tower we will keep you updated.