The Most Affordable SLA 3D Printer. It prints at 100 micrometer XY resolution and up to 10 micrometer Z layer thickness. The 98 x 55 x 125 mm print area means that SparkMaker is ideal for scale prototyping as well as general 3D printing. With SparkMaker, we wanted to make 3D printing as easy and user-friendly as possible. Simply insert an SD card with a pre-loaded design, press the print button and your creation begins to take shape.