scamper stand for
s-substitute
c-combine
a-adapt
m-modify ,magnify,minify
p-put to other use
e-eliminate
r-reverse rearrange

scamper is a technique that can help u improve ur sketching

for example substitue-try to substitute an object with another by looking for something to come up with new ideas

combine-combining two or more part to achieve a different product/process or to enhance synergy.