Instructables
This is a fun little project that doesn't require a lot of materials or tools. The end result is a neat coaster that will give any room more character and a nice vintage look.

What you need:

-Old map or atlas
-Coaster(s)
-Glue
-Scissors or knife
-Pencil or pen
-Casting resin

Let's get started!
 
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Step 1: Trace and cut your map

The first thing you need to do is to get the coaster(s) you have chosen and lay it/them flat on your map. Then take your pen or pencil and trace an outline of the coaster(s) and cut it out with your scissors or knife. Then just place it on top of the coaster(s) just to be sure there is no overhang around the edges. If there is, just trim it off. Then, grab your glue and affix the map to the coaster.

Step 2: Mix and apply casting resin

Now, just mix up your casting resin as per it's instructions and pour it over your map/coaster. I just continuously poured the resin in the centre of the coaster and let in spread until it was fairly close to the edges, and then carefully used a popsicle stick to line the resin around the edges. Make sure you don't put too much resin on or it will run over the edges and ruin the 'raised edge' look. I didn't take any photos of the actual mixing and application of the resin, but as long as you follow the instructions that come with it, it's really not difficult at all. After you're satisfied with your resin application, cover the coaster with a small box or tupperware or something just to keep dust particles and hair from getting trapped in the resin before it cures. Let it sit for about 24 hours before handling it.
Battlespeed10 months ago
Didn't you have to seal the map pieces before pouring resin on them? Resin usually stains paper elements (photos, etc) if you don't put several coats of Modge-Podge or something like that on them.
ctx1985 (author)  Battlespeed10 months ago
I didn't seal them no. I didn't really notice any issues with the paper staining, although the maps are about 50 years old and discoloured a bit so maybe I just didn't notice.
Thanks for your reply. Perhaps it's something different about the paper used in atlases or something. If you do it again with different maps/paper and you do get staining, a couple of thin coats of Modge-Podge before applying the resin will take care of that.

One other question - were these coasters some sort of cork material, or what?

Thanks!
ctx1985 (author)  Battlespeed10 months ago
Oh ok that's good to know. I will definitely do that next time if I notice some staining happening. Thanks! The coasters have a thin layer of cork on the bottom and like a 1/8" hard (I think plywood) surface. They were just cheap discounted coasters with an ugly design on top that I got from a local store because they were 50% off haha.
ginger2003710 months ago
I'm gonna have to try this to make a set for my Grandpa, love the idea! :D
ctx1985 (author)  ginger2003710 months ago
Thanks! Yeah I think they would make great gifts! I'd love to see some pics when you finish!
Awesome! You could do this with any image. (photos of loved ones, pets, inspirational quotes, favourite authors.) Very cozy and personalized! Well done!
ctx1985 (author)  MayCauseMadness11 months ago
Thanks so much! Yeah you could do it with basically any image! The possibilities are endless :)
mtrodman11 months ago
what a great idea for a personalized gift! You can choose locations of significance to the giftee...
ctx1985 (author)  mtrodman11 months ago
Thanks! Yeah That's what I was thinking exactly. Easy to make and you can personalize it for anyone :)
northwest11 months ago
Beautiful!
ctx1985 (author)  northwest11 months ago
Thank you!