Working on a dirty martini lava lamp combines creativity with a bit of science, and using vegetable glycerine is an interesting approach given its viscosity and safety for DIY projects. From my experience experimenting with DIY lava lamps, the key to achieving movement is balancing the density and buoyancy of the suspended objects—in this case, olives—with the liquid medium. Vegetable glycerine is thicker than water, which can hinder movement if the suspended items are not buoyant enough or if the density difference is insufficient. Additionally, temperature variations can significantly impact the fluid dynamics inside the lamp. Slight heating (using a low wattage bulb or external heat source) can help create convection currents that promote movement of objects such as olives within the liquid. That said, caution is necessary to avoid overheating and potential hazards. In the realm of resin 3D printing, integrating custom components inside the lava lamp can offer unique aesthetic results. Creating resin-based olives or decorative elements that are specifically designed to float or sink at desired rates can improve the overall effect. Experimenting with different resin densities and embedding small air bubbles may also modify flotation properties. From what I’ve seen, many lava lamp enthusiasts tend to swap out traditional wax with substances like mineral oil or a combination of oil and water to achieve better motion. Since vegetable glycerine is water-soluble and has a higher viscosity, it may require adjusting proportions or layering liquids carefully. Keep experimenting with the ratios and temperatures, and consider adding a gentle stirring mechanism or magnetic stirrer to induce movement. It’s a playful science project where trial and error lead to fascinating results, especially when combining crafting, chemistry, and even 3D printing techniques.