This idea came when I went in vacations and I couldn't find a proper solution to cover my toothbrush. Every time when I was using a bag or a glass to hold it, dust or improper utilization of the plastic bag makes the toothbrush to be not used in good hygienic condition. Printer Brand: RepRapRepRapPrinter: Prusa I3Prusa I3Rafts: NoNoSupports: NoNoNotes: top piece with 0.1 and slowly polish it carefully ,case with 0.2Project: How acetone has impact on PLA and ABSObjectives: Learn how PLA and ABS are different in structuresAudiences: This project should be hold only at chemistry labPreparation: for each student should be prepared two peaces from toothbrush case in PLA and ABS materials, 100 ml acetone and a bowl of glass Step 1: Insert PLA toothbrush case in bowl Step 2: Add acetone until case is covered up Step 3: Wait for about 10 sec Step 4: Remove case from the bowl and let it to dryRepeat steps for ABS case.Results: Notice how acetone reacts with PLA and ABS, the upper case can be dissolved in ABS while in PLA it can make a smooth contour.