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YouTube

How to Throw and Trim Narrow Cylinders - A Surprisingly Difficult Shape

Florian Gadsby via YouTube

Overview

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Learn to master one of pottery's most challenging forms in this 22-minute instructional video that demonstrates the complete process of throwing and trimming narrow cylindrical vases. Begin with proper clay preparation and centering techniques before moving into the critical opening and base formation that sets the foundation for success. Discover why maintaining thick, sturdy rims during the throwing stage prevents warping and makes subsequent trimming more manageable, contrasting with the common mistake of throwing these forms too thin and light. Master the use of throwing sticks to achieve consistent interior forms and learn essential drying techniques that prevent the delicate cylinders from bending unevenly as they reach leather-hard stage. Follow detailed trimming demonstrations that transform the initially thick-walled vessels into refined, crisp forms through careful base work and rim beveling. Gain insights into troubleshooting common issues like rippling bases and understand why controlled, slow drying is crucial for maintaining the structural integrity of these tall, narrow forms throughout the entire making process.

Syllabus

0:00 - Introduction & notes on ideal interior shapes
2:03 - Clay preparation
3:04 - Centring the clay
4:09 - The importance of the initial, opened base
6:14 - How to fix a 'rippling' base
8:16 - Why I leave the rims thick
8:30 - Using throwing sticks to fix the interior form
10:45 - Why it's important to dry these vases out slowly...
13:22 - How I dry these overnight
13:41 - Trimming the vases
14:43 - Trimming & bevelling the rim
15:56 - Trimming the base of the vase
18:33 - A ramble about how variance in ceramics is a good thing!
21:22 - Clean up

Taught by

Florian Gadsby

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