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Step 7Put it Together
Don't use super-glue.
You need to glue the dome to the base and fill the dome with water. leaving a little bubble is also extremely important.
I used super-glue on my first attempt but it frosted the inside of the dome so you couldn't see anything.
I also found that acetone does nothing for this frosting and melted the dome. Try to avoid that.
Luckily, I had a spare.
The most appropriate glue i can think of is actually hot glue. shoe-goo and bathroom caulk are good, but you really need something that sets fast.
Press the dome to the base plate, line up the equatorial line with the equinox marks from step3.
Run the glue gun around the seam, pressing the glue into the seam, but stop at both solstice marks. Leave a tiny patch un-glued at both ends, we still need to fill it with water.
The two patches left unsealed should allow water to get in when you immerse it. You want to have your glue gun handy.
Only leave a small bubble in the dial.
Press your finger over the bottom seam to stop the water getting out, and glue the top sealed. Turn it over and glue the other side so it's all sealed.
I wanted to use screws to fasten the straps, but i didn't have any handy. More hot glue.
If you want to use it as a spirit level, you'll need to file the bottom corners a little to level it, use a level surface to calibrate it.
You need to glue the dome to the base and fill the dome with water. leaving a little bubble is also extremely important.
I used super-glue on my first attempt but it frosted the inside of the dome so you couldn't see anything.
I also found that acetone does nothing for this frosting and melted the dome. Try to avoid that.
Luckily, I had a spare.
The most appropriate glue i can think of is actually hot glue. shoe-goo and bathroom caulk are good, but you really need something that sets fast.
Press the dome to the base plate, line up the equatorial line with the equinox marks from step3.
Run the glue gun around the seam, pressing the glue into the seam, but stop at both solstice marks. Leave a tiny patch un-glued at both ends, we still need to fill it with water.
The two patches left unsealed should allow water to get in when you immerse it. You want to have your glue gun handy.
Only leave a small bubble in the dial.
Press your finger over the bottom seam to stop the water getting out, and glue the top sealed. Turn it over and glue the other side so it's all sealed.
I wanted to use screws to fasten the straps, but i didn't have any handy. More hot glue.
If you want to use it as a spirit level, you'll need to file the bottom corners a little to level it, use a level surface to calibrate it.
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