A compact slide spinner is disclosed. In the preferred embodiment, the compact slide spinner is used to prepare smears for microscopic evaluation. The spinner incorporates a disposable or reusable slide holder which encases a portion of a slide onto which the material to be smeared is placed. The holder containing the slide is then accelerated by spinning. Specimen fluid not adhering to the slide is contained within the slide holder which is discarded following preparation of the smear. Using this low-cost device, a uniform quality smear is quickly and easily prepared, while reducing the risk that laboratory personnel will be exposed to aerosol borne contagions.