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How to paint and decorate an arm cast

You never know when you will need to know how to paint and decorate an arm cast!

Well guess what? This was a situation I faced recently and I’m here to share all I learned!

How this all came to be

This is one of my besties, Cecilia. She is also godmother to my son, DeAngelo. Recently when we had a baby shower at his new house (they literally moved in a few weeks earlier) for my upcoming grand baby, of course, Cecilia was one of the first to arrive. She is a five-star godmother!

The day would already be a good one because it was also my birthday! And Cecilia’s husband’s birthday too. We knew this would be a December 10 to remember forever. And it sure was.

As the shower progressed we all finally went to find our seats to eat – or in my case to craft. There was a baby onesie table that called my name. At one point while coloring in a heart on the fabric, I heard



I quickly glanced up to see Cecilia’s face flush with the concrete patio floor. 

Before I go further, let me tell you about Cecilia. I’ve never met a tougher chica. She is a warrior – mentally, physically, all the way around. And to see her weakened and nervous from this fall, well, I quivered as well.

We held her elbows and guided her to the bathroom for the inspection.

Her husband, Ben, helped her rinse her face, clean her up and we walked back down the hallway and sat her down at the table to access the next course of action.

“I’m fine,” she said though a breathy, shaky voice. “Luckily, my teeth aren’t loose, look!”


She gripped her front teeth with her left hand and tried to wiggle them to show us proof. Then she wiped off a drop of blood (from her lip) from the oak dining table. Ever so slowly, she lifted that same left hand and picked up a piece of caramel popcorn (one of the party snacks – people loved it!).

Her hand trembled as she lifted it and slowly placed it in her mouth. 

“See? I’m totally fine.”

We were not convinced. Her other hand rested on the table, topped with a bag of frozen raspberries we found in my son’s kitchen freezer.

This was her right hand. Her crafting hand. Her baking hand.


And it was quite swollen and looked… gulp…broken.

Thankfully Cecilia’s husband convinced her to go to Urgent Care where it was discovered she had indeed broken her wrist. Fast forward to one week and one surgery later, Cecilia was to send the holiday season with a cast up to almost her shoulder.


And you guys know me! Of course I asked if I could have the honor of painting it and she happily agreed.

So there under the silver tinsel and the aroma of Cecilia’s family’s Christmas pine tree in their south Phoenix casa, we had a crafty session at her kitchen table.

She is such a good sport, as so is her husband, Ben. He stepped up to take over all of Cecilia’s duties – well I’m not sure about the baking and crafting, but everything else!


Just know every time you see someone in a cast – they likely have an adventurous story to share!

Someday we’ll tell this epic story to Baby Guillermo about his great godmother!

Kathy and Cecilia - how to decorate an arm cast
Here we are after I finished painting Cecilia’s arm cast!


How to paint and decorate an arm cast – things to know:

Thank you for reading through all of that. I couldn’t just post the process, I also had to share the details, right!?

The first step – make sure to get approval from your doctor that it is okay to paint your cast. I’ll offer some other ideas for how to decorate an arm cast at the end of this post, but first we’ll start with painting.

This was a plaster cast, NOT a fiberglass cast. These directions are for a plaster cast.

We received the go-ahead from Cecilia’s doctor and set a date.

TIP: You don’t want to apply anything too heavy, we went with craft paint and a light sealer. The plaster cast needs to be breathable.


how to decorate an arm cast-supplies

Water-based craft paints

Assorted brushes

Water-based sealer (I used Mod Podge Sparkle)

Pencil and eraser (optional)

how to decorate an arm cast-2


Here is a picture of when I first started. I decided to only paint the top of the cast because that is the part people see. 

I didn’t have any rhyme or reason, but I knew I wanted to paint big juicy flowers.

Starting with the darker colors, I applied the base coat all over the cast using a chunky round paint brush. The doctor drew a blue line and I used white paint to cover that.

Rather than use a floral design, you can tape areas off for straight lines, etc.

how to decorate an arm cast-4

After the bigger pieces dried, I went in with lighter colors over all the shapes and then added accents with a liner brush.

how to paint and decorate an arm cast
I added yellow between the flowers and topped it off with a red heart.


Next, I outlined everything in black, because that’s how I do…and then I added a light yellow in the white spaces to warm up the look.

And that’s where I added little red hearts.

And then – I added little green dots for flavor!

how to paint and decorate an arm cast

Let it all dry and then if you want, add a water-based sealer. I used a sparkly one! It goes on white, but dries clear.

To speed up the process, you can use a blow dryer on a cool setting to make the paint dry faster.

how to paint and decorate an arm cast

And here is the finished look!


how to decorate an arm cast-5.

Here is a little video of the process! I hope this decorated cast helped make Cecilia’s broken bone heal strong and healthy!


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A post shared by Kathy Cano-Murillo (@craftychica)


Always put on a plastic bag (use a rubber band or duct tape to hold it in place) whenever you shower, you do not want to get it soaking wet or have excess water on it.

If you have any skin irritations directly from your cast, let your doctor know asap! 

Only use water-based paints for this.

Other ideas for how to paint and decorate an arm cast:

Use paint pens, such as Posca markers or even Sharpies, to create doodle art or have people write a sentiment.

Glue gems on it for a bit of bling!

Decoupage tissue paper (lightweight tissue paper!) for a stained glass effect.

Thin out your craft paints to create a watercolor look.

What other ideas can you think of?

RELATED: Plaster Wrap Hearts

These are hearts I made using plaster wrap (the stuff used for casts!).

How to make plaster wrap hearts! #craftychica #papermache



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