Nick, that’s not uncommon. My original nixisat case top is also showing some 
bubbling in the joints....

Nick

Sent from my iPhone

> On Dec 29, 2018, at 07:43, Nick <[email protected]> wrote:
> 
> Hmmm. Thanks John.
> 
> It's the original cover, so I'll preserve it, but it's definitely suffering. 
> I may get another made using the original as a template. Not only is there 
> crazing, but the joints are weakening - it looks like there are bubbles in 
> them...
> 
> Cheers
> 
> Nick
> 
>> On Saturday, 29 December 2018 11:10:55 UTC, Nixcited delighted wrote:
>> 
>> > On 29 Dec 2018, at 05:24, Nick <[email protected]> wrote: 
>> > 
>> > The acrylic cover of my NixieSat is starting to break down (crazing), 
>> > probably due to UV, which would be odd as it's never been in direct 
>> > sunlight... 
>> > 
>> > The joints are going too... 
>> > 
>> > Nick 
>> 
>> Cast acrylic cracks more than extruded. I’ve had cast acrylic instantly 
>> craze using some quite mild solvents. Your problems may be down to 
>> plasticisers within the material leaching out and it becoming brittle as a 
>> result. 
>> 
>> John S
> 
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