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E-Book - Bob Leatherbarrow: Kilnformed Glass Powders Workbook 1E-Book - Bob Leatherbarrow: Kilnformed Glass Powders Workbook 1E-Book - Bob Leatherbarrow: Kilnformed Glass Powders Workbook 1E-Book - Bob Leatherbarrow: Kilnformed Glass Powders Workbook 1E-Book - Bob Leatherbarrow: Kilnformed Glass Powders Workbook 1

eBook - Bob Leatherbarrow: Kilnformed Glass Powders Workbook 1

Price £20.00

5 out of 5 stars (1 Customer Review)
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Product Information
E-BOOK: Kilnformed Glass Powders Workbook 1: Eight Projects Featuring the Basic Crackle Technique, by Bob Leatherbarrow

The inspirational workbook companion to the popular e-book Introduction to Kilnformed Glass Powders by Bob Leatherbarrow.  PLEASE NOTE THAT YOU WILL NEED TO HAVE THE INTRODUCTORY BOOK TO BE ABLE TO COMPLETE THE WORKBOOK PROJECTS.

THIS IS AN E-BOOK DOWNLOAD - Please see below for details on buying and accessing this e-book.

This companion workbook describes detailed step-by-step instructions for eight projects featuring the “basic crackle technique".  When creating these projects, you will learn how to:

  • Plan and execute project design (8 projects)
  • Blend powder to create a unique colour palette (4 projects)
  • Selectively place crackle texture (4 projects)
  • Control the size of the texture (4 projects)
  • Use chemical reactions creatively (4 projects)
  • Use coloured sheet glass to change the character of a piece (4 projects)
  • Edit crackle textures and use multiple firings as strategies for helping to ensure success(4 projects)
  • Use inexpensive coldworking techniques instead of sandblasting (3 projects)

In addition, 10 helpful tips are included. They cover several general interest topics such as:

  • Mould setup
  • The “low and slow” approach to slumping
  • Testing for chemical reactions
  • Strategies for reducing or eliminating bubbles; and
  • How to create “basic powder wafers”

The projects have been planned to require the fewest supplies possible. A simple colour palette of powders applies to multiple projects, and the projects are all of similar in size. This optimizes the use of sheet glass, powders, and moulds.


  • 140 pages of clearly documented step-by-step instructions for the 8 included projects
  • 133 quality images to accompany the instructions
  • 2 appendices with detailed supply lists, both for individual projects and for all 8 projects combined

Kilnformed Glass Powders: Workbook 1 is a companion to  Introduction to Kilnformed Glass Powders and commonly refers back to the introductory book for the fundamentals of creating the basic crackle technique. You will need to have the introductory book to work through the projects in the new workbook. The foundation information in the introductory book is not repeated in this workbook.


  • This is an e-book download, not a physical paper book.
  • To purchase this e-book, just add it to your basket and check out as normal.
  • To access the e-book, simply click on the link in your order confirmation email to reach the download page. Please note that your download may be marked as 'Pending' until approved (see below).
  • Alternatively you can access the e-book from the order details in the 'My Account' section on the website, just log in and go to 'My Account' to view your order and access the download.
  • Before you can access the e-book we need to approve the purchase.  If you purchase online using a credit/debit card or PayPal then approvals are immediate. Otherwise approvals occur once payment is marked as received (or when a purchase order is approved) by our accounts team. 
  • Your e-book can then be downloaded a maximum of 5 times onto your device(s). 
  • Your e-book will be available to download for 14 days from the date of approval, so please do not delay in downloading it (these limits are to help protect the author from unauthorised sharing of the document link).
  • The e-book will be delivered as a PDF file so please ensure you have an appropriate PDF reader installed, such as Adobe Acrobat Reader or Google PDF Viewer. There are a number of free PDF viewers available online.
  • Personalised Discounts do not apply to this product.

Bob’s powder recommendations for the crackle techniques;

Warm Colours (all Opals)

  • Red Opal
  • Canary Yellow
  • Marigold Yellow

Cool Colours (all Opals)

  • Deep Cobalt blue
  • Turquoise blue opal
  • Egyptian Blue
  • Jade Green
  • Teal Green
  • Mint Green

Black Opal – a small amount

White Opal 0113 – for tinting when blending colours or for infilling the backs of wafers with wet white powder

French Vanilla – Reacts nicely with turquoise, Egyptian blue, jade green, teal green, Also good for tinting red, canary yellow and marigold yellow

Product Reviews
5 out of 5 stars
5 out of 5 stars Monday 25 February, 2019 By Regina Norrby - See all my reviews
I love this and the intro book! Really easy-to follow instructions and lots of inspirational examples and beautiful photos. As I usually do, I jumped right into it after just a quick look att the instructions - and was surprised over how easy it is (and how satisfying it feels in my hands!) to create the crackles. My first try came out perfect and I'm so happy I finally purchased these two e-books.

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© Warm Glass UK, 2015-2018
Registered office: 5 Havyat Park, Wrington, Bristol, BS40 5PA, UK
Company Reg No. 5365166. VAT No. 791350132