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Attracted by the Japanese Chiyogami-Yuzen pen blanks in the Turners Retreat catalogue (p.43), I decided to buy one and an accompanying Sierra pen kit. It came pre-tubed and end-trimmed with the screen printed paper covered in a deep layer of what I assume is acrylic. The cost of the blank (£13.95) made me very careful when turning it. I made sure that I didn't over-tighten things when mounting it on the mandrel and I used a carbide cutter held in a tool post, taking shallow cuts. Despite these precautions, blistering has appeared near either end of the blank (see below.) It is most marked at the left end of the tube but is present at both ends. Was this my fault - in which case what did I do wrong - was there a fault in the blank, or was I just unlucky? Is there anything I can do about it or have I just wasted £13.95 plus postage?

[QUOTE="Bob Ellis, post: 204685, member: 782"] Attracted by the Japanese Chiyogami-Yuzen pen blanks in the Turners Retreat catalogue (p.43), I decided to buy one and an accompanying Sierra pen kit. It came pre-tubed and end-trimmed with the screen printed paper covered in a deep layer of what I assume is acrylic. The cost of the blank (£13.95) made me very careful when turning it. I made sure that I didn't over-tighten things when mounting it on the mandrel and I used a carbide cutter held in a tool post, taking shallow cuts. Despite these precautions, blistering has appeared near either end of the blank (see below.) It is most marked at the left end of the tube but is present at both ends. Was this my fault - in which case what did I do wrong - was there a fault in the blank, or was I just unlucky? Is there anything I can do about it or have I just wasted £13.95 plus postage? [/QUOTE]

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