I do not recommend trying to do strips on the shape container I used it's very hard to get them to look right.
I use things I had on hand and I really love the way to came out.
Step 1: Material
Frog brand painters tape
Two in one sharpie
High gloss purple spray paint
And this little sliver flower pot I had
Step 2: The Design
2 clean the container with rubbing alcohol.
3 cut out the design and apply to the clean container
4 make sure that you press the tape in to any creases I recommend using you thumb nail to press the tape
Step 3: Sanding
Step 4: Painting
Make sure that the paint you use is ok to use on the marital you are painting.
Step 5: Finish the Project
If the edges did not come as clean as you wanted I recommend out line the edge in a sharpie.
This will also work to add more color if you outline in a different color.