What is the fine-grained topic of the following text: While most makers are 'stuck,' as it were, using Kapton Tape, Blue tape, hair spray, or ABS dissolved in acetone as aids to make sure the initial layer of extruded plastic adheres correctly to the build platform of their printer, none of those products are actually intended to be used that way. Only return the topic.
Methods of ensuring initial layer adhesion in 3D printing