Glass kiln-formed striped vases and coasters with Aline Johnson


Ref: S3D11728

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2 places available

About this course

Learn how to cut thick glass into strips to create patterns, then fuse to make thick coasters and bell shaped drop out vases.

Course Description

You will explore using resists and sandblasting and visit Chichester Cathedral to see the Chagall stained glass window.

On the first evening you will prepare the glass for the drop out vessel, creating layers of glass with a striped pattern, made out of fine rods of coloured glass. You will also make a square striped coaster and these will be fired overnight. The glass will be dammed by kilnprops and fibre paper to retain it’s thickness.

While the thick slabs of glass are cooling down you explore cutting pre-fired thick coloured glass with an electric tile cutter making pattern bars to form several thick squares that will be dammed and fired overnight. You will also experiment with cutting and making patterns on the striped coaster that will be dammed and fired. You will start exploring the sandblasting technique.

On the second day you will take the samples out of the kiln, to be ground and sandblasted. You will explore more sandblasting techniques by using a vinyl resist and painted on woodglue as a resist. You will sandblast on samples of mirror to create interesting reflections. You will also prepare the kiln for the drop out firing for the bell shaped vases.

On the last day you will witness the drop out firing where the kiln to reaches the desired temperature to allow the glass to drop through the ring mould. The kiln will be crash cooled when the right shape of the drop out has been achieved. There will be an excursion to Chichester Cathedral to view the Chagall window.

At the end of the course, you will be able to admire your striped drop out vessel and discuss the glass made. The vase has to cool before the tutor removes them from the kiln and will take them to her studio to finish off before posting back to you direct.


Arrival Day - this is the first date listed above

Courses start early evening. Residential students to arrive from 4pm, non-residential students to arrive by 6.45pm.

6.45pm: Welcome, followed by dinner (included).

8 - 9pm: First teaching session, attendance is essential.

Daily timetable

Classes 9.15 - 5pm, lunch is included.

From 6.30pm: Dinner (included for residential students).

Evening working - students may have access to workshops until 9pm, but only with their tutor's permission and provided any health and safety guidelines are observed.

Last day

Classes 9.15am - 3pm, lunch is included.

Residential students are to vacate their rooms by 10am please.

(This timetable is for courses of more than one day in length. The tutor may make slight variations)

Course Materials


  • All glass, coldworking the formed glass (1 piece).
  • After the course the tutor will post the finished work directly back home to you.

What students need to bring

  • Apron and stout covered footwear (not open shoes)
  • A shoebox or similar small box for the tutor to post the work back to you when it is finished.

Available to buy

  • Available from shop:
  • Pencil and paper
  • Masking tape
  • Wrapping material
Please note: If more than one piece is made you will pay the tutor directly for the extra coldworking and postage. (£15 each vase and £10 postage pp). Wear appropriate clothing/aprons for the workshop or studio, this includes stout covered footwear i.e. no open-toes or sandals. Safety boots, if specified.


Aline Johnson

Aline Johnson works from her London studio at Cockpit Arts. After a career in fashion she trained as a postgraduate student at Central St Martin's in glass. She works mostly on glass lighting commissions in collaboration with architects and interior designer. She sells her work though craft shows and started teaching at West Dean in summer 2015.


Residential option available. Find out accommodation costs and how to book here.

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