3D/4d ultrasound ?

🍑 Peaches Mom 🌻 • Exclusive pumper - going 7 months strong 💪🏽 All i do is pump pump pump no matter what 🎶 I do a thing called , what I want
When is a good time to get 3D/4d ultrasound pictures done ? I am almost 27 weeks and growing more and more impatient every day 😩